CVE-2022-49801
- Source
- https://cve.org/CVERecord?id=CVE-2022-49801
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-49801.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2022-49801
- Downstream
CLSA (1)
DEBIAN (1)
ROOT (1)
SUSE (5)
UBUNTU (1)
- Related
- Published
- 2025-05-01T14:09:29Z
- Modified
- 2026-10-08T02:47:44Z
- Summary
- tracing: Fix memory leak in tracing_read_pipe()
- Details
-
In the Linux kernel, the following vulnerability has been resolved:
tracing: Fix memory leak in tracing_read_pipe()
kmemleak reports this issue:
unreferenced object 0xffff888105a18900 (size 128): comm "test_progs", pid 18933, jiffies 4336275356 (age 22801.766s) hex dump (first 32 bytes): 25 73 00 90 81 88 ff ff 26 05 00 00 42 01 58 04 %s......&...B.X. 03 00 00 00 02 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<00000000560143a1>] __kmalloc_node_track_caller+0x4a/0x140 [<000000006af00822>] krealloc+0x8d/0xf0 [<00000000c309be6a>] trace_iter_expand_format+0x99/0x150 [<000000005a53bdb6>] trace_check_vprintf+0x1e0/0x11d0 [<0000000065629d9d>] trace_event_printf+0xb6/0xf0 [<000000009a690dc7>] trace_raw_output_bpf_trace_printk+0x89/0xc0 [<00000000d22db172>] print_trace_line+0x73c/0x1480 [<00000000cdba76ba>] tracing_read_pipe+0x45c/0x9f0 [<0000000015b58459>] vfs_read+0x17b/0x7c0 [<000000004aeee8ed>] ksys_read+0xed/0x1c0 [<0000000063d3d898>] do_syscall_64+0x3b/0x90 [<00000000a06dda7f>] entry_SYSCALL_64_after_hwframe+0x63/0xcd
iter->fmt alloced in tracing_read_pipe() -> .. ->trace_iter_expand_format(), but not freed, to fix, add free in tracing_release_pipe()
- Database specific
{ "cna_assigner": "Linux", "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49801.json" }- References
-
- https://git.kernel.org/stable/c/2c21ee020ce43d744ecd7f3e9bddfcaafef270ce
- https://git.kernel.org/stable/c/649e72070cbbb8600eb823833e4748f5a0815116
- https://git.kernel.org/stable/c/a7d3f8f33c113478737bc61bb32ec5f9a987da7d
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49801.json
- https://nvd.nist.gov/vuln/detail/CVE-2022-49801
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Affected packages
Git / git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Affected ranges
- Type
- GIT
- Repo
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- Events
-
Introducedefbbdaa22bb78761bff8dfdde027ad04bedd47ceFixed2c21ee020ce43d744ecd7f3e9bddfcaafef270ceFixeda7d3f8f33c113478737bc61bb32ec5f9a987da7dFixed649e72070cbbb8600eb823833e4748f5a0815116
- Type
- GIT
- Repo
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- Events
-
Introduced5.10.190Fixed5.11
- Type
- GIT
- Repo
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- Events
-
Introduced840ce9cfc86f89c335625ec297acc0375f82e19b