CVE-2024-26665

Vulnerability overview

In the Linux kernel, the following vulnerability has been resolved: tunnels: fix out of bounds access when building IPv6 PMTU error If the ICMPv6 error is built from a non-linear skb we get the following splat, BUG: KASAN: slab-out-of-bounds in do_csum+0x220/0x240 Read of size 4 at addr ffff88811d402c80 by task netperf/820 CPU: 0 PID: 820 Comm: netperf Not tainted 6.8.0-rc1+ #543 ... kasan_report+0xd8/0x110 do_csum+0x220/0x240 csum_partial+0xc/0x20 skb_tunnel_check_pmtu+0xeb9/0x3280 vxlan_xmit_one+0x14c2/0x4080 vxlan_xmit+0xf61/0x5c00 dev_hard_start_xmit+0xfb/0x510 __dev_queue_xmit+0x7cd/0x...

Affected product and versions

Product

Linux Linux, linux kernel, debian linux

Affected versions

>= 4cb47a8644cc9eb8ec81190a50e79e6530d0297f < e77bf828f1ca1c47fcff58bdc26b60a9d3dfbe1d, >= 4cb47a8644cc9eb8ec81190a50e79e6530d0297f < d964dd1bc1452594b4207d9229c157d9386e5d8a, >= 4cb47a8644cc9eb8ec81190a50e79e6530d0297f < e37cde7a5716466ff2a76f7f27f0a29b05b9a732, >= 4cb47a8644cc9eb8ec81190a50e79e6530d0297f < 510c869ffa4068c5f19ff4df51d1e2f3a30aaac1, >= 4cb47a8644cc9eb8ec81190a50e79e6530d0297f < 7dc9feb8b1705cf00de20563b6bc4831f4c99dab, >= 4cb47a8644cc9eb8ec81190a50e79e6530d0297f < d75abeec401f8c86b470e7028a13fcdc87e5dd06, >= 5.9, >= 5.9 < 5.10.210, >= 5.11 < 5.15.149, >= 5.16 < 6.1.78, >= 6.2 < 6.6.17, >= 6.7 < 6.7.5, 6.8, 10.0

Fixed versions

5.10.210, 5.15.149, 6.1.78, 6.6.17, 6.7.5

Technical data

CVSS vector

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

CWE

CWE-125