Vulnerability Details : CVE-2022-3534
A vulnerability classified as critical has been found in Linux Kernel. Affected is the function btf_dump_name_dups of the file tools/lib/bpf/btf_dump.c of the component libbpf. The manipulation leads to use after free. It is recommended to apply a patch to fix this issue. The identifier of this vulnerability is VDB-211032.
Vulnerability category: OverflowMemory Corruption
Exploit prediction scoring system (EPSS) score for CVE-2022-3534
Probability of exploitation activity in the next 30 days: 0.04%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 7 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2022-3534
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|
|
5.5
|
MEDIUM | CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L |
2.1
|
3.4
|
cna@vuldb.com |
|
8.0
|
HIGH | CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
2.1
|
5.9
|
nvd@nist.gov |
CWE ids for CVE-2022-3534
-
The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer.Assigned by: cna@vuldb.com (Secondary)
-
Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code.Assigned by:
- cna@vuldb.com (Secondary)
- nvd@nist.gov (Primary)
References for CVE-2022-3534
-
https://vuldb.com/?id.211032
CVE-2022-3534 | Linux Kernel libbpf btf_dump.c btf_dump_name_dups use after freePermissions Required;Third Party Advisory
-
https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git/commit/?id=93c660ca40b5d2f7c1b1626e955a8e9fa30e0749
kernel/git/bpf/bpf-next.git - BPF next kernel treePatch;Vendor Advisory
Products affected by CVE-2022-3534
- cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*