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.
Metrics
Affected Vendors & Products
Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
Mon, 03 Mar 2025 18:00:00 +0000
Type | Values Removed | Values Added |
---|---|---|
First Time appeared |
Debian
Debian debian Linux Linux Linux linux Kernel |
|
CPEs | cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:6.8:rc1:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:6.8:rc2:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:6.8:rc3:*:*:*:*:*:* |
|
Vendors & Products |
Debian
Debian debian Linux Linux Linux linux Kernel |
Fri, 22 Nov 2024 12:00:00 +0000
Type | Values Removed | Values Added |
---|---|---|
References |
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Tue, 05 Nov 2024 10:45:00 +0000
Type | Values Removed | Values Added |
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References |
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Tue, 05 Nov 2024 10:15:00 +0000
Type | Values Removed | Values Added |
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Metrics |
ssvc
|
Tue, 24 Sep 2024 11:15:00 +0000
Type | Values Removed | Values Added |
---|---|---|
First Time appeared |
Redhat rhel Eus
|
|
CPEs | cpe:/o:redhat:enterprise_linux:8 cpe:/o:redhat:rhel_eus:8.8 |
|
Vendors & Products |
Redhat rhel Eus
|
Tue, 24 Sep 2024 06:30:00 +0000
Type | Values Removed | Values Added |
---|---|---|
First Time appeared |
Redhat
Redhat enterprise Linux |
|
CPEs | cpe:/a:redhat:enterprise_linux:8::nfv | |
Vendors & Products |
Redhat
Redhat enterprise Linux |
Wed, 11 Sep 2024 18:30:00 +0000
Type | Values Removed | Values Added |
---|---|---|
Metrics |
ssvc
|
Wed, 11 Sep 2024 13:30:00 +0000
Type | Values Removed | Values Added |
---|---|---|
Metrics |
ssvc
|

Status: PUBLISHED
Assigner: Linux
Published:
Updated: 2025-05-04T08:53:27.768Z
Reserved: 2024-02-19T14:20:24.149Z
Link: CVE-2024-26665

Updated: 2024-08-02T00:14:12.889Z

Status : Analyzed
Published: 2024-04-02T07:15:43.430
Modified: 2025-03-03T17:33:19.643
Link: CVE-2024-26665


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