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CVE

CVE-2026-80714

ipvs: do not propagate one-packet flag to synced conns
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CVE

CVE-2026-80714

ipvs: do not propagate one-packet flag to synced conns

In the Linux kernel, the following vulnerability has been resolved:

ipvs: do not propagate one-packet flag to synced conns

Synced connections can be created before their destination exists. When

the destination is later added, ipvsbind_dest() copies connection flags

from the destination into cp->flags.

IPVSCONNFONE_PACKET connections are not synced. If a synced

connection inherits IPVSCONNFONE_PACKET while it is already hashed,

expiry can treat it as a one-packet connection and skip unlinking the

existing conn_tab node, leaving stale hash nodes pointing at a freed

struct ipvsconn.

Drop IPVSCONNFONE_PACKET from destination flags when binding synced

connections.

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
9.8
-
3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
C
H
U
0
-
3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
C
H
U
-

Related Resources

No items found.

References

https://git.kernel.org/stable/c/06d1d9b56ef8132fbf85006885eb43d9510b8b02, https://git.kernel.org/stable/c/300348e3ba1521b003d59825f97e24f9a6859688, https://git.kernel.org/stable/c/44af98cc7d5ef8e730488d5df1eecd5deeaa5947, https://git.kernel.org/stable/c/4649e6faeecdc2d44bfa6ccbe405eef27e55d816, https://git.kernel.org/stable/c/a63d2dbaeb50a85d4c976b15a36e6b0c7113db5b, https://git.kernel.org/stable/c/acbdc276091b308ca7794acb86e761f8203e2f59, https://git.kernel.org/stable/c/b5ee5b266f833601ac4817f6df0bc496fc376a28, https://git.kernel.org/stable/c/e7acfc990c29890c883d0d0ce3f737d003a43b44, https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/80xxx/CVE-2026-80714.json, https://nvd.nist.gov/vuln/detail/CVE-2026-80714, https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git

Severity

9.8

CVSS Score
0
10

Basic Information

Base CVSS
9.8
EPSS Probability
0.00479%
EPSS Percentile
0.39374%
Introduced Version
26ec037f9841e49cc5c615deb8e1e73e5beab2ca,2.6.36,5.11.0,5.16.0,6.2.0,6.7.0,6.13.0,6.19.0,0
Fix Available
a63d2dbaeb50a85d4c976b15a36e6b0c7113db5b,5.10.265,5.15.216,6.1.183,6.6.151,6.12.103,6.18.44,7.1.8,0:4.18.0-553.168.1.el8_10,0:4.18.0-553.168.1.rt7.509.el8_10,0:5.14.0-687.52.1.el9_8,6.12.0-211.60.1.el10_2,6.1.187-1,6.12.107-1~deb12u1,6.12.105-1,5.15.0-1117.124~20.04.1,5.15.0-1123.132~20.04.1,5.15.0-1122.131~20.04.1,5.15.0-1118.128~20.04.1,5.15.0-198.208~20.04.1,5.15.0-1111.115~20.04.1,5.15.0-1112.118~20.04.1,5.15.0-195.205~20.04.1,5.15.0-1114.120~20.04.1,5.15.0-198.208,5.15.0-1117.124,5.15.0-1123.132,5.15.0-1118.128,5.15.0-1113.119,5.15.0-1100.108,5.15.0-1111.115,5.15.0-1112.118,5.15.0-1109.114,5.15.0-195.205,5.15.0-1114.120,5.15.0-1080.84,0:6.12.0-207.111.5.1.el10uek,0:6.12.0-211.60.1.el10_2,0:5.15.0-325.220.5.el8uek,0:5.15.0-324.217.5.2.el8uek,0:6.12.0-207.111.5.1.el9uek,0:5.15.0-325.220.5.el9uek,0:5.15.0-324.217.5.2.el9uek,1:6.18.44-99.149.amzn2023,1:1.0-0.amzn2023,1:6.12.103-127.188.amzn2023,1:6.1.186-228.374.amzn2023,0:5.10.265-265.1078.amzn2,0:1.0-0.amzn2,0:5.15.220-153.252.amzn2

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