cve-2022-49801
Vulnerability from cvelistv5
Published
2025-05-01 14:09
Modified
2025-05-01 14:09
Severity ?
EPSS score ?
Summary
tracing: Fix memory leak in tracing_read_pipe()
References
{ "containers": { "cna": { "affected": [ { "defaultStatus": "unaffected", "product": "Linux", "programFiles": [ "kernel/trace/trace.c" ], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "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" } ] }, { "defaultStatus": "affected", "product": "Linux", "programFiles": [ "kernel/trace/trace.c" ], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "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" } ] } ], "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......\u0026...B.X.\n 03 00 00 00 02 00 00 00 00 00 00 00 00 00 00 00 ................\n backtrace:\n [\u003c00000000560143a1\u003e] __kmalloc_node_track_caller+0x4a/0x140\n [\u003c000000006af00822\u003e] krealloc+0x8d/0xf0\n [\u003c00000000c309be6a\u003e] trace_iter_expand_format+0x99/0x150\n [\u003c000000005a53bdb6\u003e] trace_check_vprintf+0x1e0/0x11d0\n [\u003c0000000065629d9d\u003e] trace_event_printf+0xb6/0xf0\n [\u003c000000009a690dc7\u003e] trace_raw_output_bpf_trace_printk+0x89/0xc0\n [\u003c00000000d22db172\u003e] print_trace_line+0x73c/0x1480\n [\u003c00000000cdba76ba\u003e] tracing_read_pipe+0x45c/0x9f0\n [\u003c0000000015b58459\u003e] vfs_read+0x17b/0x7c0\n [\u003c000000004aeee8ed\u003e] ksys_read+0xed/0x1c0\n [\u003c0000000063d3d898\u003e] do_syscall_64+0x3b/0x90\n [\u003c00000000a06dda7f\u003e] entry_SYSCALL_64_after_hwframe+0x63/0xcd\n\niter-\u003efmt alloced in\n tracing_read_pipe() -\u003e .. -\u003etrace_iter_expand_format(), but not\nfreed, to fix, add free in tracing_release_pipe()" } ], "providerMetadata": { "dateUpdated": "2025-05-01T14:09:29.682Z", "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux" }, "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-1.1.0" } } }, "cveMetadata": { "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "assignerShortName": "Linux", "cveId": "CVE-2022-49801", "datePublished": "2025-05-01T14:09:29.682Z", "dateReserved": "2025-05-01T14:05:17.225Z", "dateUpdated": "2025-05-01T14:09:29.682Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1", "meta": { "nvd": "{\"cve\":{\"id\":\"CVE-2022-49801\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2025-05-01T15:16:03.407\",\"lastModified\":\"2025-05-01T15:16:03.407\",\"vulnStatus\":\"Received\",\"cveTags\":[],\"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......\u0026...B.X.\\n 03 00 00 00 02 00 00 00 00 00 00 00 00 00 00 00 ................\\n backtrace:\\n [\u003c00000000560143a1\u003e] __kmalloc_node_track_caller+0x4a/0x140\\n [\u003c000000006af00822\u003e] krealloc+0x8d/0xf0\\n [\u003c00000000c309be6a\u003e] trace_iter_expand_format+0x99/0x150\\n [\u003c000000005a53bdb6\u003e] trace_check_vprintf+0x1e0/0x11d0\\n [\u003c0000000065629d9d\u003e] trace_event_printf+0xb6/0xf0\\n [\u003c000000009a690dc7\u003e] trace_raw_output_bpf_trace_printk+0x89/0xc0\\n [\u003c00000000d22db172\u003e] print_trace_line+0x73c/0x1480\\n [\u003c00000000cdba76ba\u003e] tracing_read_pipe+0x45c/0x9f0\\n [\u003c0000000015b58459\u003e] vfs_read+0x17b/0x7c0\\n [\u003c000000004aeee8ed\u003e] ksys_read+0xed/0x1c0\\n [\u003c0000000063d3d898\u003e] do_syscall_64+0x3b/0x90\\n [\u003c00000000a06dda7f\u003e] entry_SYSCALL_64_after_hwframe+0x63/0xcd\\n\\niter-\u003efmt alloced in\\n tracing_read_pipe() -\u003e .. -\u003etrace_iter_expand_format(), but not\\nfreed, to fix, add free in tracing_release_pipe()\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/2c21ee020ce43d744ecd7f3e9bddfcaafef270ce\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/649e72070cbbb8600eb823833e4748f5a0815116\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/a7d3f8f33c113478737bc61bb32ec5f9a987da7d\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}" } }
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- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.