CVE-2022-3534
HighA vulnerability has been found in Linux Kernel up to 5.10.162/5.15.85/6.0.15/6.1.1. The impacted element 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. Upgrading to version 5.10.163, 5.15.86, 6.0.16, 6.1.2 and 6.2 is sufficient to resolve this issue. The identifier of the patch is c61650b869e0b6fb0c0a28ed42d928eea969afc8/fbe08093fb2334549859829ef81d42570812597d/8c64a8e76eb85d422af5ec60ccbf26e3ead8c333/a733bf10198eb5bb927890940de8ab457491ed3b/93c660ca40b5d2f7c1b1626e955a8e9fa30e0749. You should upgrade the affected component.
CVSS 3.1 score
8.0
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness type
CWE-119CVE-2022-3534 is a Buffer Overflow vulnerability
What is Buffer Overflow?
The product performs operations on a memory buffer but reads or writes outside its intended boundaries. Learn more on MITRE CWE
Affected versions
Linux kernel versions
5.10.162,
5.15.0,
5.15.1,
5.15.2,
5.15.3,
5.15.4,
5.15.5,
5.15.6,
5.15.7,
5.15.8,
5.15.9,
5.15.10,
5.15.11,
5.15.12,
5.15.13,
5.15.14,
5.15.15,
5.15.16,
5.15.17,
5.15.18,
5.15.19,
5.15.20,
5.15.21,
5.15.22,
5.15.23,
5.15.24,
5.15.25,
5.15.26,
5.15.27,
5.15.28,
5.15.29,
5.15.30,
5.15.31,
5.15.32,
5.15.33,
5.15.34,
5.15.35,
5.15.36,
5.15.37,
5.15.38,
5.15.39,
5.15.40,
5.15.41,
5.15.42,
5.15.43,
5.15.44,
5.15.45,
5.15.46,
5.15.47,
5.15.48,
5.15.49,
5.15.50,
5.15.51,
5.15.52,
5.15.53,
5.15.54,
5.15.55,
5.15.56,
5.15.57,
5.15.58,
5.15.59,
5.15.60,
5.15.61,
5.15.62,
5.15.63,
5.15.64,
5.15.65,
5.15.66,
5.15.67,
5.15.68,
5.15.69,
5.15.70,
5.15.71,
5.15.72,
5.15.73,
5.15.74,
5.15.75,
5.15.76,
5.15.77,
5.15.78,
5.15.79,
5.15.80,
5.15.81,
5.15.82,
5.15.83,
5.15.84,
5.15.85,
6.0.0,
6.0.1,
6.0.2,
6.0.3,
6.0.4,
6.0.5,
6.0.6,
6.0.7,
6.0.8,
6.0.9,
6.0.10,
6.0.11,
6.0.12,
6.0.13,
6.0.14,
6.0.15,
6.1.0,
6.1.1
and later are affected. Fixed in
5.10.163,
5.15.86,
6.0.16,
6.1.2,
6.2
and their respective stable series.
References
7 total-
Patch Vendor Advisory
-
Third Party Advisory VDB Entry
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Third Party Advisory VDB Entry
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Third Party Advisory VDB Entry
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Kernel.orghttps://www.kernel.org/Product
Frequently asked questions
-
What is CVE-2022-3534?
CVE-2022-3534 is a High severity Linux kernel vulnerability with a CVSS score of 8.0 out of 10 , classified as a Buffer Overflow flaw (CWE-119) . It affects Linux kernel versions from 5.10.162 onward and has been patched in 5.10.163, 5.15.86, 6.0.16 and others. CVE-2022-3534 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
-
What is the CVSS score for CVE-2022-3534?
CVE-2022-3534 has a CVSS score of 8.0 out of 10, rated High severity (CVSS 3.1). The vector string is
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. -
Is there a patch available for CVE-2022-3534?
Yes. CVE-2022-3534 has been patched. Fixed versions include 5.10.163, 5.15.86, 6.0.16 and others. If you are running Linux kernel 5.10.162 or later up to the fix versions, apply the relevant patch for your kernel branch.
-
Is CVE-2022-3534 actively exploited?
No. CVE-2022-3534 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.