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CVE

DEBIAN-CVE-2026-74705

In the Linux kernel, the following vulnerability has been resolved: udp: fix potential use-after-free in tunnel segmentation __skb_udp_tunnel_segment() gets the UDP header before ensuring the tunnel...
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CVE

DEBIAN-CVE-2026-74705

In the Linux kernel, the following vulnerability has been resolved: udp: fix potential use-after-free in tunnel segmentation __skb_udp_tunnel_segment() gets the UDP header before ensuring the tunnel...

In the Linux kernel, the following vulnerability has been resolved:  udp: fix potential use-after-free in tunnel segmentation  _skbudptunnelsegment() gets the UDP header before ensuring the tunnel header is in the skb head. If the pull reallocates skb->head, the saved UDP header pointer is no longer valid.  Get the UDP header after the pull to avoid a potential use-after-free.

Package Versions Affected

Package Version
patch Availability
No items found.

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CVSS Version

Severity
Base Score
CVSS Version
Score Vector
C
H
U
-
C
H
U
0
-
3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
C
H
U
-

Related Resources

No items found.

References

https://security-tracker.debian.org/tracker/CVE-2026-74705

Severity

10

CVSS Score
0
10

Basic Information

Base CVSS
10
EPSS Probability
0%
EPSS Percentile
0%
Introduced Version
0
Fix Available
6.1.187-1,6.12.105-1,7.1.9-1,6.12.107-1~deb12u1

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