CVE-2022-25636

high

Description

net/netfilter/nf_dup_netdev.c in the Linux kernel 5.4 through 5.6.10 allows local users to gain privileges because of a heap out-of-bounds write. This is related to nf_tables_offload.

References

https://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf.git/commit/?id=b1a5983f56e371046dcf164f90bfaf704d2b89f6

https://www.openwall.com/lists/oss-security/2022/02/21/2

http://www.openwall.com/lists/oss-security/2022/02/22/1

https://www.debian.org/security/2022/dsa-5095

https://nickgregory.me/linux/security/2022/03/12/cve-2022-25636/

https://github.com/Bonfee/CVE-2022-25636

http://packetstormsecurity.com/files/166444/Kernel-Live-Patch-Security-Notice-LSN-0085-1.html

https://security.netapp.com/advisory/ntap-20220325-0002/

https://www.oracle.com/security-alerts/cpujul2022.html

Details

Source: MITRE

Published: 2022-02-24

Updated: 2023-02-24

Type: CWE-269

Risk Information

CVSS v2

Base Score: 6.9

Vector: AV:L/AC:M/Au:N/C:C/I:C/A:C

Impact Score: 10

Exploitability Score: 3.4

Severity: MEDIUM

CVSS v3

Base Score: 7.8

Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Impact Score: 5.9

Exploitability Score: 1.8

Severity: HIGH