{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-99219","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-09-25T10:25:14.401Z","datePublished":"2026-11-02T16:06:31.529Z","dateUpdated":"2026-11-03T19:12:54.203Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-11-03T19:12:54.203Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nftrace: Initialize modname and offset in print_rec()\n\nprint_rec() leaves 'modname' and 'offset' uninitialized and\nkallsyms_lookup() only sets them on success. When the lookup fails like\nwhen a module is being loaded or unloaded, 'modname' holds a garbage\nvalue, passes the 'if (modname)' check, and is dereferenced by\nseq_printf().\n\n  Oops: general protection fault\n  RIP: 0010:string+0x48/0xe0\n  Call Trace:\n   vsnprintf+0x1f5/0x650\n   seq_printf+0x8e/0xb0\n   print_rec+0x6c/0xc0\n   t_show+0x4c/0x440\n   seq_read_iter+0x119/0x480\n\nThis can be triggered by reading available_filter_functions while a\nmodule is being loaded or unloaded.\n\nInitialize both variables so a failed lookup skips the module name."}],"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":"b39181f7c6907dc66ff937b74758671fa6ba430c","lessThan":"753d5cba113a52cb155428f4ea93a4b0148c4bf1","status":"affected","versionType":"git"},{"version":"b39181f7c6907dc66ff937b74758671fa6ba430c","lessThan":"0e5ff07be834abaf4280e1dca7f9591e339d0960","status":"affected","versionType":"git"},{"version":"b39181f7c6907dc66ff937b74758671fa6ba430c","lessThan":"e2e6fb972bfec4a0551bc7c185bdb17f78f94997","status":"affected","versionType":"git"},{"version":"b39181f7c6907dc66ff937b74758671fa6ba430c","lessThan":"8932e5a4df110a25578728526bb5a3dbc849d8a2","status":"affected","versionType":"git"},{"version":"b39181f7c6907dc66ff937b74758671fa6ba430c","lessThan":"7271c064dd60d4456c5b90da757acd9420d06697","status":"affected","versionType":"git"},{"version":"b39181f7c6907dc66ff937b74758671fa6ba430c","lessThan":"d97dba9ff13987d1fc415408557a54adde980311","status":"affected","versionType":"git"},{"version":"b39181f7c6907dc66ff937b74758671fa6ba430c","lessThan":"e1f339ff3b83857b93baf8b88186275a413d445e","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":"5.19","status":"affected"},{"version":"0","lessThan":"5.19","status":"unaffected","versionType":"semver"},{"version":"6.1.191","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.161","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.115","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.18.60","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"7.2.14","lessThanOrEqual":"7.2.*","status":"unaffected","versionType":"semver"},{"version":"7.3.1","lessThanOrEqual":"7.3.*","status":"unaffected","versionType":"semver"},{"version":"7.4-rc1","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":"5.19","versionEndExcluding":"6.1.191"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.19","versionEndExcluding":"6.6.161"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.19","versionEndExcluding":"6.12.115"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.19","versionEndExcluding":"6.18.60"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.19","versionEndExcluding":"7.2.14"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.19","versionEndExcluding":"7.3.1"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.19","versionEndExcluding":"7.4-rc1"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/753d5cba113a52cb155428f4ea93a4b0148c4bf1"},{"url":"https://git.kernel.org/stable/c/0e5ff07be834abaf4280e1dca7f9591e339d0960"},{"url":"https://git.kernel.org/stable/c/e2e6fb972bfec4a0551bc7c185bdb17f78f94997"},{"url":"https://git.kernel.org/stable/c/8932e5a4df110a25578728526bb5a3dbc849d8a2"},{"url":"https://git.kernel.org/stable/c/7271c064dd60d4456c5b90da757acd9420d06697"},{"url":"https://git.kernel.org/stable/c/d97dba9ff13987d1fc415408557a54adde980311"},{"url":"https://git.kernel.org/stable/c/e1f339ff3b83857b93baf8b88186275a413d445e"}],"title":"ftrace: Initialize modname and offset in print_rec()","x_generator":{"engine":"bippy-1.2.0"}}}}