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CVE

CVE-2026-68477

ipvs: fix more places with wrong ipv6 transport offsets
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CVE

CVE-2026-68477

ipvs: fix more places with wrong ipv6 transport offsets

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

ipvs: fix more places with wrong ipv6 transport offsets

Sashiko reports for more incorrect IPv6 transport offsets.

The app code for TCP was assuming IPv4 network header

even after the ipvsh argument was provided. This can

cause problems with apps over IPv6. As for the only

official app in the kernel tree (FTP) this problem is

harmless because we use Netfilter to mangle the FTP

ports and we do not adjust the TCP seq numbers.

Also, provide correct offset of the ICMPV6 header in

ipvsouticmpv6() for correct checksum checks when

the IPv6 packet has extension headers.

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/3a9dc9b55b53d94613a587604b77d3b20024090c, https://git.kernel.org/stable/c/613ce63711b8d431bba90781f133c39a21684f87, https://git.kernel.org/stable/c/7350eb7ead172ae8024897d4b0f2e15c5318279c, https://git.kernel.org/stable/c/905d7a363ade96a19f214815361e11981142c547, https://git.kernel.org/stable/c/95d4511d81b2b37e5d2bdde5d912e48243eae517, https://git.kernel.org/stable/c/a3f0d5b605cd5da5c95279969fb8cea4e55cee5b, https://git.kernel.org/stable/c/b3fe4cbd583895987935a9bdad01c8f9d3a02310, https://git.kernel.org/stable/c/d4ec18f48ce78a3bf7c999ac908691007375fe99, https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/68xxx/CVE-2026-68477.json, https://nvd.nist.gov/vuln/detail/CVE-2026-68477, 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
0.00714%
EPSS Percentile
0.51005%
Introduced Version
2a3b791e6e1169f374224d164738e9f7be703d77,2.6.28,5.11.0,5.16.0,6.2.0,6.7.0,6.13.0,6.19.0,0
Fix Available
b3fe4cbd583895987935a9bdad01c8f9d3a02310,5.10.261,5.15.212,6.1.178,6.6.145,6.12.97,6.18.40,7.1.5,6.1.180-1,5.10.262-1,6.12.100-1,0:5.15.213-150.251.amzn2,0:1.0-0.amzn2

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