CVE-2026-53002

Vulnerability overview

In the Linux kernel, the following vulnerability has been resolved: netfilter: conntrack: remove sprintf usage Replace it with scnprintf, the buffer sizes are expected to be large enough to hold the result, no need for snprintf+overflow check. Increase buffer size in mangle_content_len() while at it. BUG: KASAN: stack-out-of-bounds in vsnprintf+0xea5/0x1270 Write of size 1 at addr [..] vsnprintf+0xea5/0x1270 sprintf+0xb1/0xe0 mangle_content_len+0x1ac/0x280 nf_nat_sdp_session+0x1cc/0x240 process_sdp+0x8f8/0xb80 process_invite_request+0x108/0x2b0 process_sip_msg+0x5da/0xf50 sip_help_tcp+0x45e...

Affected product and versions

Product

Linux Linux, Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 6

Affected versions

>= 9fafcd7b203229c3f3893a475741afc27e276306 < 2f793ba78470a99f40389b7dc60a81d9f5ad3956, >= 9fafcd7b203229c3f3893a475741afc27e276306 < 6bbf829b4c1b44c941c47dd0d710f1393258f3d5, >= 9fafcd7b203229c3f3893a475741afc27e276306 < ab64e61c9323fa6de21bd20da1ddb29a0fb65d34, >= 9fafcd7b203229c3f3893a475741afc27e276306 < 1c9fb8aeed06790d42cdcd00f6c3ce0b9e926c1e, >= 9fafcd7b203229c3f3893a475741afc27e276306 < a8e0a32a23d3f34862af3b4da792ecb3a891a9a3, >= 9fafcd7b203229c3f3893a475741afc27e276306 < 8e3be0d12615a173fe260cd42753ca7a001acbf2, >= 9fafcd7b203229c3f3893a475741afc27e276306 < c08ff52e44945e6ef4ce0790f49ea761b060c45b, >= 9fafcd7b203229c3f3893a475741afc27e276306 < 6e7066bdb481a87fe88c4fa563e348c03b2d373d, >= 2.6.20, >= 2.6.20 < 5.10.258, >= 5.11 < 5.15.209, >= 5.16 < 6.1.175, >= 6.2 < 6.6.141, >= 6.7 < 6.12.91, >= 6.13 < 6.18.33, >= 6.19 < 7.0.10, 7.0, 8.0, 9.0, 10.0

Fixed versions

5.10.258, 5.15.209, 6.1.175, 6.6.141, 6.12.91, 6.18.33, 7.0.10

Technical data

CVSS vector

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

CWE

CWE-787