{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-49801","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2025-05-01T14:05:17.225Z","datePublished":"2025-05-01T14:09:29.682Z","dateUpdated":"2026-05-11T19:07:03.383Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T19:07:03.383Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ntracing: Fix memory leak in tracing_read_pipe()\n\nkmemleak reports this issue:\n\nunreferenced object 0xffff888105a18900 (size 128):\n  comm \"test_progs\", pid 18933, jiffies 4336275356 (age 22801.766s)\n  hex dump (first 32 bytes):\n    25 73 00 90 81 88 ff ff 26 05 00 00 42 01 58 04  %s......&...B.X.\n    03 00 00 00 02 00 00 00 00 00 00 00 00 00 00 00  ................\n  backtrace:\n    [<00000000560143a1>] __kmalloc_node_track_caller+0x4a/0x140\n    [<000000006af00822>] krealloc+0x8d/0xf0\n    [<00000000c309be6a>] trace_iter_expand_format+0x99/0x150\n    [<000000005a53bdb6>] trace_check_vprintf+0x1e0/0x11d0\n    [<0000000065629d9d>] trace_event_printf+0xb6/0xf0\n    [<000000009a690dc7>] trace_raw_output_bpf_trace_printk+0x89/0xc0\n    [<00000000d22db172>] print_trace_line+0x73c/0x1480\n    [<00000000cdba76ba>] tracing_read_pipe+0x45c/0x9f0\n    [<0000000015b58459>] vfs_read+0x17b/0x7c0\n    [<000000004aeee8ed>] ksys_read+0xed/0x1c0\n    [<0000000063d3d898>] do_syscall_64+0x3b/0x90\n    [<00000000a06dda7f>] entry_SYSCALL_64_after_hwframe+0x63/0xcd\n\niter->fmt alloced in\n  tracing_read_pipe() -> .. ->trace_iter_expand_format(), but not\nfreed, to fix, add free in tracing_release_pipe()"}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["kernel/trace/trace.c"],"versions":[{"version":"efbbdaa22bb78761bff8dfdde027ad04bedd47ce","lessThan":"2c21ee020ce43d744ecd7f3e9bddfcaafef270ce","status":"affected","versionType":"git"},{"version":"efbbdaa22bb78761bff8dfdde027ad04bedd47ce","lessThan":"a7d3f8f33c113478737bc61bb32ec5f9a987da7d","status":"affected","versionType":"git"},{"version":"efbbdaa22bb78761bff8dfdde027ad04bedd47ce","lessThan":"649e72070cbbb8600eb823833e4748f5a0815116","status":"affected","versionType":"git"},{"version":"840ce9cfc86f89c335625ec297acc0375f82e19b","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/trace.c"],"versions":[{"version":"5.12","status":"affected"},{"version":"0","lessThan":"5.12","status":"unaffected","versionType":"semver"},{"version":"5.15.80","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.0.10","lessThanOrEqual":"6.0.*","status":"unaffected","versionType":"semver"},{"version":"6.1","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":"5.12","versionEndExcluding":"5.15.80"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.12","versionEndExcluding":"6.0.10"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.12","versionEndExcluding":"6.1"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.10.190"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/2c21ee020ce43d744ecd7f3e9bddfcaafef270ce"},{"url":"https://git.kernel.org/stable/c/a7d3f8f33c113478737bc61bb32ec5f9a987da7d"},{"url":"https://git.kernel.org/stable/c/649e72070cbbb8600eb823833e4748f5a0815116"}],"title":"tracing: Fix memory leak in tracing_read_pipe()","x_generator":{"engine":"bippy-1.2.0"}}}}