CVE-2026-63796: linux kernel from 2.6.16 (inclusive), before 5.10.260 (exclusive), from 5.11 (inclusive), before 5.15.211 (exclusive)…

Affected technology

linux kernel · from 2.6.16 (inclusive), before 5.10.260 (exclusive)
linux

linux kernel · from 5.11 (inclusive), before 5.15.211 (exclusive)
linux

linux kernel · from 5.16 (inclusive), before 6.1.177 (exclusive)
linux

linux kernel · from 6.2 (inclusive), before 6.6.144 (exclusive)
linux

linux kernel · from 6.7 (inclusive), before 6.12.95 (exclusive)
linux

linux kernel · from 6.13 (inclusive), before 6.18.38 (exclusive)
linux

linux kernel · from 6.19 (inclusive), before 7.1.3 (exclusive)
linux

Linux · ccd979bdbce9fba8412beb3f1de68a9d0171b12c to before 336340a0f8a141df8a4eb21a5a86f8ffb87769f6, ccd979bdbce9fba8412beb3f1de68a9d0171b12c to before 296c6a42b1174395935ca4cfe8f393e37b698d54, ccd979bdbce9fba8412beb3f1de68a9d0171b12c to before d2cd59fa848f9f13796ef214d3b1b5ca9a3fe21e, ccd979bdbce9fba8412beb3f1de68a9d0171b12c to before c5a125eadba05ba421c4b55e68da22b4a40d32b4, ccd979bdbce9fba8412beb3f1de68a9d0171b12c to before 8f9903b0cdbb3155a8899410330b4b4d583a7a5c, ccd979bdbce9fba8412beb3f1de68a9d0171b12c to before 4cd57ebee395041099fcdfcabb00749ce38d8b27, ccd979bdbce9fba8412beb3f1de68a9d0171b12c to before 99c21e7263248c3f084756bfae08163cc5d6c62f, ccd979bdbce9fba8412beb3f1de68a9d0171b12c to before 9bd541e09dffff27e5bec0f9f45b0228173a5375
Linux

Linux · 2.6.16
Linux

Component: Not specified by the source
File: fs/ocfs2/suballoc.c

Attack conditions (Source advisory, CVSS 3.1): Network (remote) · Low privileges required · No user interaction required

What an attacker can do

Source advisory’s CVSS 3.1 assessment (base score 8.8/10) rates confidentiality, integrity and availability impact as high. The description does not specify what an attacker can achieve beyond these rated impacts.