{"id":"CVE-2026-68225","state":"PUBLISHED","title":"media: i2c: alvium: fix critical pointer access in alvium_ctrl_init","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: i2c: alvium: fix critical pointer access in alvium_ctrl_init\n\nThe current implementation of alvium_ctrl_init creates several controls in\nfunction alvium_ctrl_init and uses the returned pointer without check. That\ncan cause write access over NULL-pointer for several controls. The reworked\ncode checks the pointers before adding flags.","publishedAt":"2026-08-10T12:00:47.085Z","updatedAt":"2026-08-17T05:01:13.016Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"0a7af872915ee34668edf7e4018648a226d9e7f9","status":"affected","lessThan":"4bacfda44d36f165f6cb57bea408912886400ffa","versionType":"git"},{"version":"0a7af872915ee34668edf7e4018648a226d9e7f9","status":"affected","lessThan":"7337c88205ed0ffc654f40266be0d3c3eb15fb29","versionType":"git"},{"version":"0a7af872915ee34668edf7e4018648a226d9e7f9","status":"affected","lessThan":"eb2f934646aefb06314cecd1deb020794829b207","versionType":"git"},{"version":"0a7af872915ee34668edf7e4018648a226d9e7f9","status":"affected","lessThan":"4f6f28ff24709710c08557c127b3e4c3fb1b4159","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/media/i2c/alvium-csi2.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.8","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.8","versionType":"semver"},{"version":"6.12.101","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.42","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.1.6","status":"unaffected","lessThanOrEqual":"7.1.*","versionType":"semver"},{"version":"7.2","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/media/i2c/alvium-csi2.c"]}],"references":["https://git.kernel.org/stable/c/4bacfda44d36f165f6cb57bea408912886400ffa","https://git.kernel.org/stable/c/7337c88205ed0ffc654f40266be0d3c3eb15fb29","https://git.kernel.org/stable/c/eb2f934646aefb06314cecd1deb020794829b207","https://git.kernel.org/stable/c/4f6f28ff24709710c08557c127b3e4c3fb1b4159"],"weaknesses":[],"ingestedAt":"2026-10-29T20:12:49.727Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/68xxx/CVE-2026-68225.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-68225","state":"PUBLISHED","datePublished":"2026-08-10T12:00:47.085Z","dateUpdated":"2026-08-17T05:01:13.016Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-07-30T09:28:09.375Z"},"containers":{"cna":{"title":"media: i2c: alvium: fix critical pointer access in alvium_ctrl_init","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: i2c: alvium: fix critical pointer access in alvium_ctrl_init\n\nThe current implementation of alvium_ctrl_init creates several controls in\nfunction alvium_ctrl_init and uses the returned pointer without check. That\ncan cause write access over NULL-pointer for several controls. The reworked\ncode checks the pointers before adding flags."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"0a7af872915ee34668edf7e4018648a226d9e7f9","status":"affected","lessThan":"4bacfda44d36f165f6cb57bea408912886400ffa","versionType":"git"},{"version":"0a7af872915ee34668edf7e4018648a226d9e7f9","status":"affected","lessThan":"7337c88205ed0ffc654f40266be0d3c3eb15fb29","versionType":"git"},{"version":"0a7af872915ee34668edf7e4018648a226d9e7f9","status":"affected","lessThan":"eb2f934646aefb06314cecd1deb020794829b207","versionType":"git"},{"version":"0a7af872915ee34668edf7e4018648a226d9e7f9","status":"affected","lessThan":"4f6f28ff24709710c08557c127b3e4c3fb1b4159","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/media/i2c/alvium-csi2.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.8","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.8","versionType":"semver"},{"version":"6.12.101","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.42","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.1.6","status":"unaffected","lessThanOrEqual":"7.1.*","versionType":"semver"},{"version":"7.2","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/media/i2c/alvium-csi2.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/4bacfda44d36f165f6cb57bea408912886400ffa"},{"url":"https://git.kernel.org/stable/c/7337c88205ed0ffc654f40266be0d3c3eb15fb29"},{"url":"https://git.kernel.org/stable/c/eb2f934646aefb06314cecd1deb020794829b207"},{"url":"https://git.kernel.org/stable/c/4f6f28ff24709710c08557c127b3e4c3fb1b4159"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-08-17T05:01:13.016Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.8","versionEndExcluding":"6.12.101"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.8","versionEndExcluding":"6.18.42"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.8","versionEndExcluding":"7.1.6"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.8","versionEndExcluding":"7.2"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}