{"id":"CVE-2023-54105","state":"PUBLISHED","title":"can: isotp: check CAN address family in isotp_bind()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ncan: isotp: check CAN address family in isotp_bind()\n\nAdd missing check to block non-AF_CAN binds.\n\nSyzbot created some code which matched the right sockaddr struct size\nbut used AF_XDP (0x2C) instead of AF_CAN (0x1D) in the address family\nfield:\n\nbind$xdp(r2, &(0x7f0000000540)={0x2c, 0x0, r4, 0x0, r2}, 0x10)\n                                ^^^^\nThis has no funtional impact but the userspace should be notified about\nthe wrong address family field content.","publishedAt":"2025-12-24T13:06:30.053Z","updatedAt":"2026-05-11T19:55:34.267Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"e057dd3fc20ffb3d7f150af46542a51b59b90127","status":"affected","lessThan":"de3c02383aa678f6799402ac47fdd89cf4bfcaa9","versionType":"git"},{"version":"e057dd3fc20ffb3d7f150af46542a51b59b90127","status":"affected","lessThan":"2fc6f337257f4f7c21ecff429241f7acaa6df4e8","versionType":"git"},{"version":"e057dd3fc20ffb3d7f150af46542a51b59b90127","status":"affected","lessThan":"9427584c2f153d0677ef3bad6f44028c60d728c4","versionType":"git"},{"version":"e057dd3fc20ffb3d7f150af46542a51b59b90127","status":"affected","lessThan":"dd4faace51e41a82a8c0770ee0cc26088f9d9d06","versionType":"git"},{"version":"e057dd3fc20ffb3d7f150af46542a51b59b90127","status":"affected","lessThan":"c6adf659a8ba85913e16a571d5a9bcd17d3d1234","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/can/isotp.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.10","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.10","versionType":"semver"},{"version":"5.10.200","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.138","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.16","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.2.3","status":"unaffected","lessThanOrEqual":"6.2.*","versionType":"semver"},{"version":"6.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/can/isotp.c"]}],"references":["https://git.kernel.org/stable/c/de3c02383aa678f6799402ac47fdd89cf4bfcaa9","https://git.kernel.org/stable/c/2fc6f337257f4f7c21ecff429241f7acaa6df4e8","https://git.kernel.org/stable/c/9427584c2f153d0677ef3bad6f44028c60d728c4","https://git.kernel.org/stable/c/dd4faace51e41a82a8c0770ee0cc26088f9d9d06","https://git.kernel.org/stable/c/c6adf659a8ba85913e16a571d5a9bcd17d3d1234"],"weaknesses":[],"ingestedAt":"2026-10-29T20:06:42.242Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/54xxx/CVE-2023-54105.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-54105","state":"PUBLISHED","datePublished":"2025-12-24T13:06:30.053Z","dateUpdated":"2026-05-11T19:55:34.267Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-12-24T13:02:52.517Z"},"containers":{"cna":{"title":"can: isotp: check CAN address family in isotp_bind()","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ncan: isotp: check CAN address family in isotp_bind()\n\nAdd missing check to block non-AF_CAN binds.\n\nSyzbot created some code which matched the right sockaddr struct size\nbut used AF_XDP (0x2C) instead of AF_CAN (0x1D) in the address family\nfield:\n\nbind$xdp(r2, &(0x7f0000000540)={0x2c, 0x0, r4, 0x0, r2}, 0x10)\n                                ^^^^\nThis has no funtional impact but the userspace should be notified about\nthe wrong address family field content."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"e057dd3fc20ffb3d7f150af46542a51b59b90127","status":"affected","lessThan":"de3c02383aa678f6799402ac47fdd89cf4bfcaa9","versionType":"git"},{"version":"e057dd3fc20ffb3d7f150af46542a51b59b90127","status":"affected","lessThan":"2fc6f337257f4f7c21ecff429241f7acaa6df4e8","versionType":"git"},{"version":"e057dd3fc20ffb3d7f150af46542a51b59b90127","status":"affected","lessThan":"9427584c2f153d0677ef3bad6f44028c60d728c4","versionType":"git"},{"version":"e057dd3fc20ffb3d7f150af46542a51b59b90127","status":"affected","lessThan":"dd4faace51e41a82a8c0770ee0cc26088f9d9d06","versionType":"git"},{"version":"e057dd3fc20ffb3d7f150af46542a51b59b90127","status":"affected","lessThan":"c6adf659a8ba85913e16a571d5a9bcd17d3d1234","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/can/isotp.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.10","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.10","versionType":"semver"},{"version":"5.10.200","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.138","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.16","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.2.3","status":"unaffected","lessThanOrEqual":"6.2.*","versionType":"semver"},{"version":"6.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/can/isotp.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/de3c02383aa678f6799402ac47fdd89cf4bfcaa9"},{"url":"https://git.kernel.org/stable/c/2fc6f337257f4f7c21ecff429241f7acaa6df4e8"},{"url":"https://git.kernel.org/stable/c/9427584c2f153d0677ef3bad6f44028c60d728c4"},{"url":"https://git.kernel.org/stable/c/dd4faace51e41a82a8c0770ee0cc26088f9d9d06"},{"url":"https://git.kernel.org/stable/c/c6adf659a8ba85913e16a571d5a9bcd17d3d1234"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T19:55:34.267Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.10","versionEndExcluding":"5.10.200"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.10","versionEndExcluding":"5.15.138"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.10","versionEndExcluding":"6.1.16"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.10","versionEndExcluding":"6.2.3"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.10","versionEndExcluding":"6.3"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}