{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-53075","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2025-05-02T15:51:43.549Z","datePublished":"2025-05-02T15:55:26.023Z","dateUpdated":"2026-05-11T19:38:03.944Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T19:38:03.944Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nftrace: Fix invalid address access in lookup_rec() when index is 0\n\nKASAN reported follow problem:\n\n BUG: KASAN: use-after-free in lookup_rec\n Read of size 8 at addr ffff000199270ff0 by task modprobe\n CPU: 2 Comm: modprobe\n Call trace:\n  kasan_report\n  __asan_load8\n  lookup_rec\n  ftrace_location\n  arch_check_ftrace_location\n  check_kprobe_address_safe\n  register_kprobe\n\nWhen checking pg->records[pg->index - 1].ip in lookup_rec(), it can get a\npg which is newly added to ftrace_pages_start in ftrace_process_locs().\nBefore the first pg->index++, index is 0 and accessing pg->records[-1].ip\nwill cause this problem.\n\nDon't check the ip when pg->index is 0."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["kernel/trace/ftrace.c"],"versions":[{"version":"9644302e3315e7e36495d230d5ac7125a316d33e","lessThan":"2de28e5ce34b22b73b833a21e2c45ae3aade3964","status":"affected","versionType":"git"},{"version":"9644302e3315e7e36495d230d5ac7125a316d33e","lessThan":"7569ee04b0e3b32df79f64db3a7138573edad9bc","status":"affected","versionType":"git"},{"version":"9644302e3315e7e36495d230d5ac7125a316d33e","lessThan":"ac58b88ccbbb8e9fb83e137cee04a856b1ea6635","status":"affected","versionType":"git"},{"version":"9644302e3315e7e36495d230d5ac7125a316d33e","lessThan":"83c3b2f4e7c61367c7b24551f4c6eb94bbdda283","status":"affected","versionType":"git"},{"version":"9644302e3315e7e36495d230d5ac7125a316d33e","lessThan":"2a0d71fabfeb349216d33f001a6421b1768bd3a9","status":"affected","versionType":"git"},{"version":"9644302e3315e7e36495d230d5ac7125a316d33e","lessThan":"4f84f31f63416b0f02fc146ffdc4ab32723eb7e8","status":"affected","versionType":"git"},{"version":"9644302e3315e7e36495d230d5ac7125a316d33e","lessThan":"f1bd8b7fd890d87d0dc4dedc6287ea34dd07c0b4","status":"affected","versionType":"git"},{"version":"9644302e3315e7e36495d230d5ac7125a316d33e","lessThan":"ee92fa443358f4fc0017c1d0d325c27b37802504","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["kernel/trace/ftrace.c"],"versions":[{"version":"3.5","status":"affected"},{"version":"0","lessThan":"3.5","status":"unaffected","versionType":"semver"},{"version":"4.14.311","lessThanOrEqual":"4.14.*","status":"unaffected","versionType":"semver"},{"version":"4.19.279","lessThanOrEqual":"4.19.*","status":"unaffected","versionType":"semver"},{"version":"5.4.238","lessThanOrEqual":"5.4.*","status":"unaffected","versionType":"semver"},{"version":"5.10.176","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.104","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.1.21","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.2.8","lessThanOrEqual":"6.2.*","status":"unaffected","versionType":"semver"},{"version":"6.3","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.5","versionEndExcluding":"4.14.311"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.5","versionEndExcluding":"4.19.279"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.5","versionEndExcluding":"5.4.238"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.5","versionEndExcluding":"5.10.176"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.5","versionEndExcluding":"5.15.104"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.5","versionEndExcluding":"6.1.21"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.5","versionEndExcluding":"6.2.8"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.5","versionEndExcluding":"6.3"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/2de28e5ce34b22b73b833a21e2c45ae3aade3964"},{"url":"https://git.kernel.org/stable/c/7569ee04b0e3b32df79f64db3a7138573edad9bc"},{"url":"https://git.kernel.org/stable/c/ac58b88ccbbb8e9fb83e137cee04a856b1ea6635"},{"url":"https://git.kernel.org/stable/c/83c3b2f4e7c61367c7b24551f4c6eb94bbdda283"},{"url":"https://git.kernel.org/stable/c/2a0d71fabfeb349216d33f001a6421b1768bd3a9"},{"url":"https://git.kernel.org/stable/c/4f84f31f63416b0f02fc146ffdc4ab32723eb7e8"},{"url":"https://git.kernel.org/stable/c/f1bd8b7fd890d87d0dc4dedc6287ea34dd07c0b4"},{"url":"https://git.kernel.org/stable/c/ee92fa443358f4fc0017c1d0d325c27b37802504"}],"title":"ftrace: Fix invalid address access in lookup_rec() when index is 0","x_generator":{"engine":"bippy-1.2.0"}}}}