{"affected":[{"defaultStatus":"unaffected","product":"Linux","source":"CNA: Linux","vendor":"Linux","versions":[{"lessThan":"2c21ee020ce43d744ecd7f3e9bddfcaafef270ce","status":"affected","version":"efbbdaa22bb78761bff8dfdde027ad04bedd47ce","versionType":"git"},{"lessThan":"a7d3f8f33c113478737bc61bb32ec5f9a987da7d","status":"affected","version":"efbbdaa22bb78761bff8dfdde027ad04bedd47ce","versionType":"git"},{"lessThan":"649e72070cbbb8600eb823833e4748f5a0815116","status":"affected","version":"efbbdaa22bb78761bff8dfdde027ad04bedd47ce","versionType":"git"},{"status":"affected","version":"840ce9cfc86f89c335625ec297acc0375f82e19b","versionType":"git"},{"lessThan":"5.11","status":"affected","version":"5.10.190","versionType":"semver"}]},{"defaultStatus":"affected","product":"Linux","source":"CNA: Linux","vendor":"Linux","versions":[{"status":"affected","version":"5.12"},{"lessThan":"5.12","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.80","versionType":"semver"},{"lessThanOrEqual":"6.0.*","status":"unaffected","version":"6.0.10","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"6.1","versionType":"original_commit_for_fix"}]}],"cveId":"CVE-2022-49801","cwes":[],"description":"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()","epss":{"date":"2026-11-05","percentile":0.09844,"score":0.00199},"exploits":[],"kev":null,"metrics":[],"modifiedAt":1793908189816,"publishedAt":1746108569682,"references":[{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/2c21ee020ce43d744ecd7f3e9bddfcaafef270ce"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/a7d3f8f33c113478737bc61bb32ec5f9a987da7d"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/649e72070cbbb8600eb823833e4748f5a0815116"}],"remediation":[],"revision":"128ea6a0f5a5256c36d3e2efa191aef8d934776bad139896666968b88b33396d","sources":[{"modifiedAt":1793908189816,"name":"CNA: Linux","retrievedAt":1793909431901,"url":"https://www.cve.org/CVERecord?id=CVE-2022-49801"},{"modifiedAt":null,"name":"FIRST EPSS","retrievedAt":1793909454139,"url":"https://api.first.org/data/v1/epss?cve=CVE-2022-49801"}],"ssvc":{"assessedAt":1793908130466,"automatable":"no","exploitation":"none","source":"ADP: CISA-ADP","technicalImpact":"partial"},"status":"published","title":"tracing: Fix memory leak in tracing_read_pipe()","updatedAt":1793909454139}