CVE-2022-25636 Information

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.

CVSS Vector

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

Reference

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/

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.8