{"api_version":"1","generated_at":"2026-07-03T06:27:33+00:00","cve":"CVE-2026-53339","urls":{"html":"https://cve.report/CVE-2026-53339","api":"https://cve.report/api/cve/CVE-2026-53339.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-53339","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-53339"},"summary":{"title":"i2c: qcom-cci: Fix NULL pointer dereference in cci_remove()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ni2c: qcom-cci: Fix NULL pointer dereference in cci_remove()\n\nOn all modern platforms Qualcomm CCI controller provides two I2C masters,\nand on particular boards only one I2C master may be initialized, and in\nsuch cases the device unbinding or driver removal causes a NULL pointer\ndereference, because cci_halt() is called for all two I2C masters, but\na completion is initialized only for the single enabled master:\n\n    % rmmod i2c-qcom-cci\n    Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000\n    <snip>\n    Call trace:\n    __wait_for_common+0x194/0x1a8 (P)\n    wait_for_completion_timeout+0x20/0x2c\n    cci_remove+0xc4/0x138 [i2c_qcom_cci]\n    platform_remove+0x20/0x30\n    device_remove+0x4c/0x80\n    device_release_driver_internal+0x1c8/0x224\n    driver_detach+0x50/0x98\n    bus_remove_driver+0x6c/0xbc\n    driver_unregister+0x30/0x60\n    platform_driver_unregister+0x14/0x20\n    qcom_cci_driver_exit+0x18/0x1008 [i2c_qcom_cci]\n    ....","state":"PUBLISHED","assigner":"Linux","published_at":"2026-07-01 14:16:41","updated_at":"2026-07-01 14:16:41"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/7107627b8b35015027201e7a095a3f6e30b4a46f","name":"https://git.kernel.org/stable/c/7107627b8b35015027201e7a095a3f6e30b4a46f","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/729ac5a4b966aac42e08a94dea966f4429008548","name":"https://git.kernel.org/stable/c/729ac5a4b966aac42e08a94dea966f4429008548","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/8ce7ff721a5e9d06d53ef65d01c89fce6d26d6ff","name":"https://git.kernel.org/stable/c/8ce7ff721a5e9d06d53ef65d01c89fce6d26d6ff","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/a162a260c8c4db7501c65220e76913e8e351f823","name":"https://git.kernel.org/stable/c/a162a260c8c4db7501c65220e76913e8e351f823","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/4cd206c1d57a9370d5219f7b1fc45169d7bdf951","name":"https://git.kernel.org/stable/c/4cd206c1d57a9370d5219f7b1fc45169d7bdf951","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/a50b8adb9cdb9a495b0b45583956897b7411ed7a","name":"https://git.kernel.org/stable/c/a50b8adb9cdb9a495b0b45583956897b7411ed7a","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/4d2b4a9cda6837e5ee1de1290f2e773a713b71e9","name":"https://git.kernel.org/stable/c/4d2b4a9cda6837e5ee1de1290f2e773a713b71e9","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/e8669d12da0ade52adfe0abe96cd99e708abc9bd","name":"https://git.kernel.org/stable/c/e8669d12da0ade52adfe0abe96cd99e708abc9bd","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-53339","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-53339","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected e517526195de400158e05a08764d1fb61d579105 e8669d12da0ade52adfe0abe96cd99e708abc9bd git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected e517526195de400158e05a08764d1fb61d579105 4d2b4a9cda6837e5ee1de1290f2e773a713b71e9 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected e517526195de400158e05a08764d1fb61d579105 a50b8adb9cdb9a495b0b45583956897b7411ed7a git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected e517526195de400158e05a08764d1fb61d579105 7107627b8b35015027201e7a095a3f6e30b4a46f git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected e517526195de400158e05a08764d1fb61d579105 4cd206c1d57a9370d5219f7b1fc45169d7bdf951 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected e517526195de400158e05a08764d1fb61d579105 a162a260c8c4db7501c65220e76913e8e351f823 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected e517526195de400158e05a08764d1fb61d579105 8ce7ff721a5e9d06d53ef65d01c89fce6d26d6ff git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected e517526195de400158e05a08764d1fb61d579105 729ac5a4b966aac42e08a94dea966f4429008548 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 5.8","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.8 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.10.259 5.10.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.15.210 5.15.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.1.176 6.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.6.143 6.6.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.94 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.36 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.0.13 7.0.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.1 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"53339","cve":"CVE-2026-53339","epss":"0.001640000","percentile":"0.059830000","score_date":"2026-07-02","updated_at":"2026-07-03 00:06:12"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/i2c/busses/i2c-qcom-cci.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"e8669d12da0ade52adfe0abe96cd99e708abc9bd","status":"affected","version":"e517526195de400158e05a08764d1fb61d579105","versionType":"git"},{"lessThan":"4d2b4a9cda6837e5ee1de1290f2e773a713b71e9","status":"affected","version":"e517526195de400158e05a08764d1fb61d579105","versionType":"git"},{"lessThan":"a50b8adb9cdb9a495b0b45583956897b7411ed7a","status":"affected","version":"e517526195de400158e05a08764d1fb61d579105","versionType":"git"},{"lessThan":"7107627b8b35015027201e7a095a3f6e30b4a46f","status":"affected","version":"e517526195de400158e05a08764d1fb61d579105","versionType":"git"},{"lessThan":"4cd206c1d57a9370d5219f7b1fc45169d7bdf951","status":"affected","version":"e517526195de400158e05a08764d1fb61d579105","versionType":"git"},{"lessThan":"a162a260c8c4db7501c65220e76913e8e351f823","status":"affected","version":"e517526195de400158e05a08764d1fb61d579105","versionType":"git"},{"lessThan":"8ce7ff721a5e9d06d53ef65d01c89fce6d26d6ff","status":"affected","version":"e517526195de400158e05a08764d1fb61d579105","versionType":"git"},{"lessThan":"729ac5a4b966aac42e08a94dea966f4429008548","status":"affected","version":"e517526195de400158e05a08764d1fb61d579105","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/i2c/busses/i2c-qcom-cci.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"5.8"},{"lessThan":"5.8","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.259","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.210","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.176","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.143","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.94","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.36","versionType":"semver"},{"lessThanOrEqual":"7.0.*","status":"unaffected","version":"7.0.13","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.1","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.10.259","versionStartIncluding":"5.8","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.15.210","versionStartIncluding":"5.8","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.1.176","versionStartIncluding":"5.8","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.143","versionStartIncluding":"5.8","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.94","versionStartIncluding":"5.8","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.36","versionStartIncluding":"5.8","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.0.13","versionStartIncluding":"5.8","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.1","versionStartIncluding":"5.8","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ni2c: qcom-cci: Fix NULL pointer dereference in cci_remove()\n\nOn all modern platforms Qualcomm CCI controller provides two I2C masters,\nand on particular boards only one I2C master may be initialized, and in\nsuch cases the device unbinding or driver removal causes a NULL pointer\ndereference, because cci_halt() is called for all two I2C masters, but\na completion is initialized only for the single enabled master:\n\n    % rmmod i2c-qcom-cci\n    Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000\n    <snip>\n    Call trace:\n    __wait_for_common+0x194/0x1a8 (P)\n    wait_for_completion_timeout+0x20/0x2c\n    cci_remove+0xc4/0x138 [i2c_qcom_cci]\n    platform_remove+0x20/0x30\n    device_remove+0x4c/0x80\n    device_release_driver_internal+0x1c8/0x224\n    driver_detach+0x50/0x98\n    bus_remove_driver+0x6c/0xbc\n    driver_unregister+0x30/0x60\n    platform_driver_unregister+0x14/0x20\n    qcom_cci_driver_exit+0x18/0x1008 [i2c_qcom_cci]\n    ...."}],"providerMetadata":{"dateUpdated":"2026-07-01T13:32:21.709Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/e8669d12da0ade52adfe0abe96cd99e708abc9bd"},{"url":"https://git.kernel.org/stable/c/4d2b4a9cda6837e5ee1de1290f2e773a713b71e9"},{"url":"https://git.kernel.org/stable/c/a50b8adb9cdb9a495b0b45583956897b7411ed7a"},{"url":"https://git.kernel.org/stable/c/7107627b8b35015027201e7a095a3f6e30b4a46f"},{"url":"https://git.kernel.org/stable/c/4cd206c1d57a9370d5219f7b1fc45169d7bdf951"},{"url":"https://git.kernel.org/stable/c/a162a260c8c4db7501c65220e76913e8e351f823"},{"url":"https://git.kernel.org/stable/c/8ce7ff721a5e9d06d53ef65d01c89fce6d26d6ff"},{"url":"https://git.kernel.org/stable/c/729ac5a4b966aac42e08a94dea966f4429008548"}],"title":"i2c: qcom-cci: Fix NULL pointer dereference in cci_remove()","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-53339","datePublished":"2026-07-01T13:32:21.709Z","dateReserved":"2026-06-09T07:44:35.399Z","dateUpdated":"2026-07-01T13:32:21.709Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-07-01 14:16:41","lastModifiedDate":"2026-07-01 14:16:41","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"53339","Ordinal":"1","Title":"i2c: qcom-cci: Fix NULL pointer dereference in cci_remove()","CVE":"CVE-2026-53339","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"53339","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\ni2c: qcom-cci: Fix NULL pointer dereference in cci_remove()\n\nOn all modern platforms Qualcomm CCI controller provides two I2C masters,\nand on particular boards only one I2C master may be initialized, and in\nsuch cases the device unbinding or driver removal causes a NULL pointer\ndereference, because cci_halt() is called for all two I2C masters, but\na completion is initialized only for the single enabled master:\n\n    % rmmod i2c-qcom-cci\n    Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000\n    <snip>\n    Call trace:\n    __wait_for_common+0x194/0x1a8 (P)\n    wait_for_completion_timeout+0x20/0x2c\n    cci_remove+0xc4/0x138 [i2c_qcom_cci]\n    platform_remove+0x20/0x30\n    device_remove+0x4c/0x80\n    device_release_driver_internal+0x1c8/0x224\n    driver_detach+0x50/0x98\n    bus_remove_driver+0x6c/0xbc\n    driver_unregister+0x30/0x60\n    platform_driver_unregister+0x14/0x20\n    qcom_cci_driver_exit+0x18/0x1008 [i2c_qcom_cci]\n    ....","Type":"Description","Title":"i2c: qcom-cci: Fix NULL pointer dereference in cci_remove()"}]}}}