{"api_version":"1","generated_at":"2026-05-12T13:32:36+00:00","cve":"CVE-2026-43289","urls":{"html":"https://cve.report/CVE-2026-43289","api":"https://cve.report/api/cve/CVE-2026-43289.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-43289","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-43289"},"summary":{"title":"kexec: derive purgatory entry from symbol","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nkexec: derive purgatory entry from symbol\n\nkexec_load_purgatory() derives image->start by locating e_entry inside an\nSHF_EXECINSTR section.  If the purgatory object contains multiple\nexecutable sections with overlapping sh_addr, the entrypoint check can\nmatch more than once and trigger a WARN.\n\nDerive the entry section from the purgatory_start symbol when present and\ncompute image->start from its final placement.  Keep the existing e_entry\nfallback for purgatories that do not expose the symbol.\n\nWARNING: kernel/kexec_file.c:1009 at kexec_load_purgatory+0x395/0x3c0, CPU#10: kexec/1784\nCall Trace:\n <TASK>\n bzImage64_load+0x133/0xa00\n __do_sys_kexec_file_load+0x2b3/0x5c0\n do_syscall_64+0x81/0x610\n entry_SYSCALL_64_after_hwframe+0x76/0x7e\n\n[me@linux.beauty: move helper to avoid forward declaration, per Baoquan]","state":"PUBLISHED","assigner":"Linux","published_at":"2026-05-08 14:16:35","updated_at":"2026-05-08 14:16:35"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/5226570bd252cea2e805a161cb0f75c204c3108a","name":"https://git.kernel.org/stable/c/5226570bd252cea2e805a161cb0f75c204c3108a","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/875355152b33436907c2a6d2ffad1431fa86c62b","name":"https://git.kernel.org/stable/c/875355152b33436907c2a6d2ffad1431fa86c62b","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/36eb314184a0ae74dd42914b47d2b9fc43be8034","name":"https://git.kernel.org/stable/c/36eb314184a0ae74dd42914b47d2b9fc43be8034","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/480e1d5c64bb14441f79f2eb9421d5e26f91ea3d","name":"https://git.kernel.org/stable/c/480e1d5c64bb14441f79f2eb9421d5e26f91ea3d","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/1737d37ae1d2814e6cf0a1af87af3d41f0812b95","name":"https://git.kernel.org/stable/c/1737d37ae1d2814e6cf0a1af87af3d41f0812b95","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/027797595a108726f4a0a45d225f603b0ffbd22b","name":"https://git.kernel.org/stable/c/027797595a108726f4a0a45d225f603b0ffbd22b","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/cfccd3b8c51bc57a8a6fcb2fd30453afae5bc0d2","name":"https://git.kernel.org/stable/c/cfccd3b8c51bc57a8a6fcb2fd30453afae5bc0d2","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/f736032c638a33a243e9126e617788f763d648f9","name":"https://git.kernel.org/stable/c/f736032c638a33a243e9126e617788f763d648f9","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-43289","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-43289","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected f368aed4827bd4276c0e3664fb2cb815a8d7caf3 027797595a108726f4a0a45d225f603b0ffbd22b git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected d38e051ec6fd8650b139d9bc4b0b8b261953b263 1737d37ae1d2814e6cf0a1af87af3d41f0812b95 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 013027918a4efa807409fcb356009c117e4d181a f736032c638a33a243e9126e617788f763d648f9 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 8652d44f466ad5772e7d1756e9457046189b0dfc cfccd3b8c51bc57a8a6fcb2fd30453afae5bc0d2 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 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cb1638618545182a01444b2b20a4ed6b9d2a8c8f git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.4","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.4 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.10.252 5.10.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.15.202 5.15.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.1.165 6.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.6.128 6.6.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.75 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.16 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.19.6 6.19.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.0 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"43289","cve":"CVE-2026-43289","epss":"0.000240000","percentile":"0.070210000","score_date":"2026-05-11","updated_at":"2026-05-12 00:01:18"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["kernel/kexec_file.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"027797595a108726f4a0a45d225f603b0ffbd22b","status":"affected","version":"f368aed4827bd4276c0e3664fb2cb815a8d7caf3","versionType":"git"},{"lessThan":"1737d37ae1d2814e6cf0a1af87af3d41f0812b95","status":"affected","version":"d38e051ec6fd8650b139d9bc4b0b8b261953b263","versionType":"git"},{"lessThan":"f736032c638a33a243e9126e617788f763d648f9","status":"affected","version":"013027918a4efa807409fcb356009c117e4d181a","versionType":"git"},{"lessThan":"cfccd3b8c51bc57a8a6fcb2fd30453afae5bc0d2","status":"affected","version":"8652d44f466ad5772e7d1756e9457046189b0dfc","versionType":"git"},{"lessThan":"875355152b33436907c2a6d2ffad1431fa86c62b","status":"affected","version":"8652d44f466ad5772e7d1756e9457046189b0dfc","versionType":"git"},{"lessThan":"36eb314184a0ae74dd42914b47d2b9fc43be8034","status":"affected","version":"8652d44f466ad5772e7d1756e9457046189b0dfc","versionType":"git"},{"lessThan":"5226570bd252cea2e805a161cb0f75c204c3108a","status":"affected","version":"8652d44f466ad5772e7d1756e9457046189b0dfc","versionType":"git"},{"lessThan":"480e1d5c64bb14441f79f2eb9421d5e26f91ea3d","status":"affected","version":"8652d44f466ad5772e7d1756e9457046189b0dfc","versionType":"git"},{"status":"affected","version":"4947a0eb7d642b6048559857964966016ef3aa8b","versionType":"git"},{"status":"affected","version":"b16bf76b382810257e3fb6278663a9d131b70197","versionType":"git"},{"status":"affected","version":"cb1638618545182a01444b2b20a4ed6b9d2a8c8f","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["kernel/kexec_file.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.4"},{"lessThan":"6.4","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.252","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.202","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.165","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.128","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.75","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.16","versionType":"semver"},{"lessThanOrEqual":"6.19.*","status":"unaffected","version":"6.19.6","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.0","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.10.252","versionStartIncluding":"5.10.185","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.15.202","versionStartIncluding":"5.15.118","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.1.165","versionStartIncluding":"6.1.35","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.128","versionStartIncluding":"6.4","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.75","versionStartIncluding":"6.4","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.16","versionStartIncluding":"6.4","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.19.6","versionStartIncluding":"6.4","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.0","versionStartIncluding":"6.4","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.19.287","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.4.248","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.3.9","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nkexec: derive purgatory entry from symbol\n\nkexec_load_purgatory() derives image->start by locating e_entry inside an\nSHF_EXECINSTR section.  If the purgatory object contains multiple\nexecutable sections with overlapping sh_addr, the entrypoint check can\nmatch more than once and trigger a WARN.\n\nDerive the entry section from the purgatory_start symbol when present and\ncompute image->start from its final placement.  Keep the existing e_entry\nfallback for purgatories that do not expose the symbol.\n\nWARNING: kernel/kexec_file.c:1009 at kexec_load_purgatory+0x395/0x3c0, CPU#10: kexec/1784\nCall Trace:\n <TASK>\n bzImage64_load+0x133/0xa00\n __do_sys_kexec_file_load+0x2b3/0x5c0\n do_syscall_64+0x81/0x610\n entry_SYSCALL_64_after_hwframe+0x76/0x7e\n\n[me@linux.beauty: move helper to avoid forward declaration, per Baoquan]"}],"providerMetadata":{"dateUpdated":"2026-05-08T13:11:13.860Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/027797595a108726f4a0a45d225f603b0ffbd22b"},{"url":"https://git.kernel.org/stable/c/1737d37ae1d2814e6cf0a1af87af3d41f0812b95"},{"url":"https://git.kernel.org/stable/c/f736032c638a33a243e9126e617788f763d648f9"},{"url":"https://git.kernel.org/stable/c/cfccd3b8c51bc57a8a6fcb2fd30453afae5bc0d2"},{"url":"https://git.kernel.org/stable/c/875355152b33436907c2a6d2ffad1431fa86c62b"},{"url":"https://git.kernel.org/stable/c/36eb314184a0ae74dd42914b47d2b9fc43be8034"},{"url":"https://git.kernel.org/stable/c/5226570bd252cea2e805a161cb0f75c204c3108a"},{"url":"https://git.kernel.org/stable/c/480e1d5c64bb14441f79f2eb9421d5e26f91ea3d"}],"title":"kexec: derive purgatory entry from symbol","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-43289","datePublished":"2026-05-08T13:11:13.860Z","dateReserved":"2026-05-01T14:12:55.999Z","dateUpdated":"2026-05-08T13:11:13.860Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-05-08 14:16:35","lastModifiedDate":"2026-05-08 14:16:35","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"43289","Ordinal":"1","Title":"kexec: derive purgatory entry from symbol","CVE":"CVE-2026-43289","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"43289","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nkexec: derive purgatory entry from symbol\n\nkexec_load_purgatory() derives image->start by locating e_entry inside an\nSHF_EXECINSTR section.  If the purgatory object contains multiple\nexecutable sections with overlapping sh_addr, the entrypoint check can\nmatch more than once and trigger a WARN.\n\nDerive the entry section from the purgatory_start symbol when present and\ncompute image->start from its final placement.  Keep the existing e_entry\nfallback for purgatories that do not expose the symbol.\n\nWARNING: kernel/kexec_file.c:1009 at kexec_load_purgatory+0x395/0x3c0, CPU#10: kexec/1784\nCall Trace:\n <TASK>\n bzImage64_load+0x133/0xa00\n __do_sys_kexec_file_load+0x2b3/0x5c0\n do_syscall_64+0x81/0x610\n entry_SYSCALL_64_after_hwframe+0x76/0x7e\n\n[me@linux.beauty: move helper to avoid forward declaration, per Baoquan]","Type":"Description","Title":"kexec: derive purgatory entry from symbol"}]}}}