{"api_version":"1","generated_at":"2026-07-23T12:29:21+00:00","cve":"CVE-2026-53382","urls":{"html":"https://cve.report/CVE-2026-53382","api":"https://cve.report/api/cve/CVE-2026-53382.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-53382","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-53382"},"summary":{"title":"media: vidtv: fix NULL pointer dereference in vidtv_mux_push_si","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: vidtv: fix NULL pointer dereference in vidtv_mux_push_si\n\nsyzbot reported a general protection fault in\nvidtv_psi_ts_psi_write_into [1].\n\nvidtv_mux_get_pid_ctx() can return NULL, but vidtv_mux_push_si() does\nnot check for this before dereferencing the returned pointer to access\nthe continuity counter. This leads to a general protection fault when\naccessing a near-NULL address.\n\nThe root cause is that vidtv_mux_pid_ctx_init() does not check the\nreturn value of vidtv_mux_create_pid_ctx_once() for PMT section PIDs.\nIf the allocation fails, the PID context is never created, but init\nreturns success. The subsequent vidtv_mux_push_si() call then gets\nNULL from vidtv_mux_get_pid_ctx() and crashes.\n\nFix both the root cause (add error check in vidtv_mux_pid_ctx_init\nfor PMT PIDs) and add defensive NULL checks in vidtv_mux_push_si for\nall vidtv_mux_get_pid_ctx() calls.\n\n[1]\nOops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] SMP KASAN PTI\nKASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]\nWorkqueue: events vidtv_mux_tick\nRIP: 0010:vidtv_psi_ts_psi_write_into+0x54a/0xbc0 drivers/media/test-drivers/vidtv/vidtv_psi.c:197\nCall Trace:\n <TASK>\n vidtv_psi_table_header_write_into drivers/media/test-drivers/vidtv/vidtv_psi.c:799 [inline]\n vidtv_psi_pmt_write_into+0x3b2/0xa70 drivers/media/test-drivers/vidtv/vidtv_psi.c:1231\n vidtv_mux_push_si+0x932/0xe80 drivers/media/test-drivers/vidtv/vidtv_mux.c:196\n vidtv_mux_tick+0xe9b/0x1480 drivers/media/test-drivers/vidtv/vidtv_mux.c:408","state":"PUBLISHED","assigner":"Linux","published_at":"2026-07-19 12:16:48","updated_at":"2026-07-19 12:16:48"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/353d9578951dd38bc9679308f5b618ceed1f20fa","name":"https://git.kernel.org/stable/c/353d9578951dd38bc9679308f5b618ceed1f20fa","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/7d8bf3d8f91073f4db347ed3aa6302b56107499c","name":"https://git.kernel.org/stable/c/7d8bf3d8f91073f4db347ed3aa6302b56107499c","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/455bc12e7b73ab5a2dfcb47822e91e772bc6c42e","name":"https://git.kernel.org/stable/c/455bc12e7b73ab5a2dfcb47822e91e772bc6c42e","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/6df7e16d4f742c80add58995a6e69385b97aa9e6","name":"https://git.kernel.org/stable/c/6df7e16d4f742c80add58995a6e69385b97aa9e6","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/232e4b313ea342672edf8947e067c0de4328405b","name":"https://git.kernel.org/stable/c/232e4b313ea342672edf8947e067c0de4328405b","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/f0f5a1d7056980a0d512456fdb370cfb72bba86a","name":"https://git.kernel.org/stable/c/f0f5a1d7056980a0d512456fdb370cfb72bba86a","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/b28b12be6e8910489e6800ed93ea4d41dfe19683","name":"https://git.kernel.org/stable/c/b28b12be6e8910489e6800ed93ea4d41dfe19683","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/f965cf22dda7f512f4922415894c3e528269a4ae","name":"https://git.kernel.org/stable/c/f965cf22dda7f512f4922415894c3e528269a4ae","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/cd923dadefadb9671b5ac341b672ff424d429c39","name":"https://git.kernel.org/stable/c/cd923dadefadb9671b5ac341b672ff424d429c39","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-53382","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-53382","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected f90cf6079bf67988f8b1ad1ade70fc89d0080905 455bc12e7b73ab5a2dfcb47822e91e772bc6c42e git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected f90cf6079bf67988f8b1ad1ade70fc89d0080905 f0f5a1d7056980a0d512456fdb370cfb72bba86a git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected f90cf6079bf67988f8b1ad1ade70fc89d0080905 6df7e16d4f742c80add58995a6e69385b97aa9e6 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected f90cf6079bf67988f8b1ad1ade70fc89d0080905 cd923dadefadb9671b5ac341b672ff424d429c39 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected f90cf6079bf67988f8b1ad1ade70fc89d0080905 353d9578951dd38bc9679308f5b618ceed1f20fa git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected f90cf6079bf67988f8b1ad1ade70fc89d0080905 f965cf22dda7f512f4922415894c3e528269a4ae git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected f90cf6079bf67988f8b1ad1ade70fc89d0080905 b28b12be6e8910489e6800ed93ea4d41dfe19683 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected f90cf6079bf67988f8b1ad1ade70fc89d0080905 232e4b313ea342672edf8947e067c0de4328405b git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected f90cf6079bf67988f8b1ad1ade70fc89d0080905 7d8bf3d8f91073f4db347ed3aa6302b56107499c git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 5.10","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.10 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.10.260 5.10.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.15.211 5.15.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.1.177 6.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.6.144 6.6.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.95 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.37 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.0.14 7.0.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.1.2 7.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2-rc1 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"53382","cve":"CVE-2026-53382","epss":"0.001950000","percentile":"0.094670000","score_date":"2026-07-20","updated_at":"2026-07-21 00:13:14"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/media/test-drivers/vidtv/vidtv_mux.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"455bc12e7b73ab5a2dfcb47822e91e772bc6c42e","status":"affected","version":"f90cf6079bf67988f8b1ad1ade70fc89d0080905","versionType":"git"},{"lessThan":"f0f5a1d7056980a0d512456fdb370cfb72bba86a","status":"affected","version":"f90cf6079bf67988f8b1ad1ade70fc89d0080905","versionType":"git"},{"lessThan":"6df7e16d4f742c80add58995a6e69385b97aa9e6","status":"affected","version":"f90cf6079bf67988f8b1ad1ade70fc89d0080905","versionType":"git"},{"lessThan":"cd923dadefadb9671b5ac341b672ff424d429c39","status":"affected","version":"f90cf6079bf67988f8b1ad1ade70fc89d0080905","versionType":"git"},{"lessThan":"353d9578951dd38bc9679308f5b618ceed1f20fa","status":"affected","version":"f90cf6079bf67988f8b1ad1ade70fc89d0080905","versionType":"git"},{"lessThan":"f965cf22dda7f512f4922415894c3e528269a4ae","status":"affected","version":"f90cf6079bf67988f8b1ad1ade70fc89d0080905","versionType":"git"},{"lessThan":"b28b12be6e8910489e6800ed93ea4d41dfe19683","status":"affected","version":"f90cf6079bf67988f8b1ad1ade70fc89d0080905","versionType":"git"},{"lessThan":"232e4b313ea342672edf8947e067c0de4328405b","status":"affected","version":"f90cf6079bf67988f8b1ad1ade70fc89d0080905","versionType":"git"},{"lessThan":"7d8bf3d8f91073f4db347ed3aa6302b56107499c","status":"affected","version":"f90cf6079bf67988f8b1ad1ade70fc89d0080905","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/media/test-drivers/vidtv/vidtv_mux.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"5.10"},{"lessThan":"5.10","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.260","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.211","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.177","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.144","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.95","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.37","versionType":"semver"},{"lessThanOrEqual":"7.0.*","status":"unaffected","version":"7.0.14","versionType":"semver"},{"lessThanOrEqual":"7.1.*","status":"unaffected","version":"7.1.2","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.2-rc1","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.10.260","versionStartIncluding":"5.10","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.15.211","versionStartIncluding":"5.10","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.1.177","versionStartIncluding":"5.10","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.144","versionStartIncluding":"5.10","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.95","versionStartIncluding":"5.10","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.37","versionStartIncluding":"5.10","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.0.14","versionStartIncluding":"5.10","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.1.2","versionStartIncluding":"5.10","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2-rc1","versionStartIncluding":"5.10","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: vidtv: fix NULL pointer dereference in vidtv_mux_push_si\n\nsyzbot reported a general protection fault in\nvidtv_psi_ts_psi_write_into [1].\n\nvidtv_mux_get_pid_ctx() can return NULL, but vidtv_mux_push_si() does\nnot check for this before dereferencing the returned pointer to access\nthe continuity counter. This leads to a general protection fault when\naccessing a near-NULL address.\n\nThe root cause is that vidtv_mux_pid_ctx_init() does not check the\nreturn value of vidtv_mux_create_pid_ctx_once() for PMT section PIDs.\nIf the allocation fails, the PID context is never created, but init\nreturns success. The subsequent vidtv_mux_push_si() call then gets\nNULL from vidtv_mux_get_pid_ctx() and crashes.\n\nFix both the root cause (add error check in vidtv_mux_pid_ctx_init\nfor PMT PIDs) and add defensive NULL checks in vidtv_mux_push_si for\nall vidtv_mux_get_pid_ctx() calls.\n\n[1]\nOops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] SMP KASAN PTI\nKASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]\nWorkqueue: events vidtv_mux_tick\nRIP: 0010:vidtv_psi_ts_psi_write_into+0x54a/0xbc0 drivers/media/test-drivers/vidtv/vidtv_psi.c:197\nCall Trace:\n <TASK>\n vidtv_psi_table_header_write_into drivers/media/test-drivers/vidtv/vidtv_psi.c:799 [inline]\n vidtv_psi_pmt_write_into+0x3b2/0xa70 drivers/media/test-drivers/vidtv/vidtv_psi.c:1231\n vidtv_mux_push_si+0x932/0xe80 drivers/media/test-drivers/vidtv/vidtv_mux.c:196\n vidtv_mux_tick+0xe9b/0x1480 drivers/media/test-drivers/vidtv/vidtv_mux.c:408"}],"providerMetadata":{"dateUpdated":"2026-07-19T11:59:31.045Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/455bc12e7b73ab5a2dfcb47822e91e772bc6c42e"},{"url":"https://git.kernel.org/stable/c/f0f5a1d7056980a0d512456fdb370cfb72bba86a"},{"url":"https://git.kernel.org/stable/c/6df7e16d4f742c80add58995a6e69385b97aa9e6"},{"url":"https://git.kernel.org/stable/c/cd923dadefadb9671b5ac341b672ff424d429c39"},{"url":"https://git.kernel.org/stable/c/353d9578951dd38bc9679308f5b618ceed1f20fa"},{"url":"https://git.kernel.org/stable/c/f965cf22dda7f512f4922415894c3e528269a4ae"},{"url":"https://git.kernel.org/stable/c/b28b12be6e8910489e6800ed93ea4d41dfe19683"},{"url":"https://git.kernel.org/stable/c/232e4b313ea342672edf8947e067c0de4328405b"},{"url":"https://git.kernel.org/stable/c/7d8bf3d8f91073f4db347ed3aa6302b56107499c"}],"title":"media: vidtv: fix NULL pointer dereference in vidtv_mux_push_si","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-53382","datePublished":"2026-07-19T11:59:31.045Z","dateReserved":"2026-06-09T07:44:35.401Z","dateUpdated":"2026-07-19T11:59:31.045Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-07-19 12:16:48","lastModifiedDate":"2026-07-19 12:16:48","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"53382","Ordinal":"1","Title":"media: vidtv: fix NULL pointer dereference in vidtv_mux_push_si","CVE":"CVE-2026-53382","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"53382","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: vidtv: fix NULL pointer dereference in vidtv_mux_push_si\n\nsyzbot reported a general protection fault in\nvidtv_psi_ts_psi_write_into [1].\n\nvidtv_mux_get_pid_ctx() can return NULL, but vidtv_mux_push_si() does\nnot check for this before dereferencing the returned pointer to access\nthe continuity counter. This leads to a general protection fault when\naccessing a near-NULL address.\n\nThe root cause is that vidtv_mux_pid_ctx_init() does not check the\nreturn value of vidtv_mux_create_pid_ctx_once() for PMT section PIDs.\nIf the allocation fails, the PID context is never created, but init\nreturns success. The subsequent vidtv_mux_push_si() call then gets\nNULL from vidtv_mux_get_pid_ctx() and crashes.\n\nFix both the root cause (add error check in vidtv_mux_pid_ctx_init\nfor PMT PIDs) and add defensive NULL checks in vidtv_mux_push_si for\nall vidtv_mux_get_pid_ctx() calls.\n\n[1]\nOops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] SMP KASAN PTI\nKASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]\nWorkqueue: events vidtv_mux_tick\nRIP: 0010:vidtv_psi_ts_psi_write_into+0x54a/0xbc0 drivers/media/test-drivers/vidtv/vidtv_psi.c:197\nCall Trace:\n <TASK>\n vidtv_psi_table_header_write_into drivers/media/test-drivers/vidtv/vidtv_psi.c:799 [inline]\n vidtv_psi_pmt_write_into+0x3b2/0xa70 drivers/media/test-drivers/vidtv/vidtv_psi.c:1231\n vidtv_mux_push_si+0x932/0xe80 drivers/media/test-drivers/vidtv/vidtv_mux.c:196\n vidtv_mux_tick+0xe9b/0x1480 drivers/media/test-drivers/vidtv/vidtv_mux.c:408","Type":"Description","Title":"media: vidtv: fix NULL pointer dereference in vidtv_mux_push_si"}]}}}