GHSA-qg9h-x99x-fcvh

GHSA-qg9h-x99x-fcvh PUBLISHED CVSS 7.099999904632568 HIGH

Record from GitHub Advisory Database · Published April 2, 2024

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/0x32a0 br_dev_queue_push_xmit+0x39d/0x6a0 Use skb_checksum instead of csum_partial who cannot deal with non-linear SKBs.

Risk scores

CVSS 3.1

7.099999904632568

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

Timeline

Apr 2, 2024 CVE Published
Apr 10, 2026 Security Advisory

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vulnetix vdb vuln GHSA-qg9h-x99x-fcvh
vulnetix vdb fixes GHSA-qg9h-x99x-fcvh

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  "https://api.vdb.vulnetix.com/v2/vuln/GHSA-qg9h-x99x-fcvh/fixes/registry"

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