CVE-2026-80877 json
afs: Fix vllist leak
published 2026-09-04 2 mo ago modified 2026-09-04 2 mo ago also EUVD-2026-71507
- cvss
- —
- not scored
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 12%
- public exploits
- 0
- none known
Summary
In the Linux kernel, the following vulnerability has been resolved:
afs: Fix vllist leak
Fix a leak of the new vllist in afs_update_cell() in the event that it is an empty list (nr_servers == 0), in which case the old list isn't displaced unless the old list is also empty.
Patch / fix
- Linux Linux 5.10.261, 5.15.212, 6.1.178, 6.6.145, 6.12.97, 6.18.40, 7.1.5, 7.2
- linux Debian 12 6.1.180-1
- linux Debian 13 6.12.100-1
- linux Debian 14 7.1.5-1
debian advisories DEBIAN-CVE-2026-80877
- linux Ubuntu 22.04 LTS 5.15.0-198.208
- linux Ubuntu 24.04 LTS 6.8.0-147.147
- linux Ubuntu 26.04 LTS 7.0.0-38.38
- linux-aws Ubuntu 22.04 LTS 5.15.0-1117.124
- linux-aws Ubuntu 24.04 LTS 6.8.0-1067.70
- linux-aws Ubuntu 26.04 LTS 7.0.0-1014.14
- linux-gcp Ubuntu 22.04 LTS 5.15.0-1118.128
- linux-gcp Ubuntu 24.04 LTS 6.8.0-1071.79
ubuntu advisories UBUNTU-CVE-2026-80877
Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0
- git.kernel.org/stable/c/13403945c2385653e282dacda304dce2a25fdb53 commit
- git.kernel.org/stable/c/2b169eedbb96f37f3f33d7b496d8283194988980 commit
- git.kernel.org/stable/c/bf55969d9188380eb539bd216850bac27bc2e272 commit
- git.kernel.org/stable/c/bef5514f6b6cb4bed9061f4b628d6be1cf26a39e commit
- git.kernel.org/stable/c/fbfe75c81bff2359a03e85cf84293484cf60fcb9 commit
- git.kernel.org/stable/c/8afb1a787a2802caf1895dd96745cfd6790a6f95 commit
- git.kernel.org/stable/c/91d8f8e5fd34d3aed26f0fe6cf52b3f71de66cc6 commit
- git.kernel.org/stable/c/fc10c0ecf06f2981af5d04357612b00051e03e9e commit
Vendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
red hat product security vex CVE-2026-80877 updated cvss 5.5
kernel: afs: Fix vllist leak
-
Red Hat Enterprise Linux 9 rv, perf, rtla, kernel, bpftool, libperf, +83 more Red Hat Enterprise Linux 10 kernel Red Hat OpenShift Container Platform 4 openshift/ose-rhel-coreos-9 Red Hat OpenShift Container Platform 5 openshift/ose-rhel-coreos-9affected: no fix available “Fix deferred”
-
Red Hat Enterprise Linux 6 perf, kernel, python-perf, kernel-kdump, kernel-firmware, kernel-bootwrapper, +1 more Red Hat Enterprise Linux 7 perf, kernel, bpftool, kernel-rt, python-perf, kernel-kdump, +8 more Red Hat Enterprise Linux 8 perf, kernel, bpftool, kernel-rt, kernel-core, kernel-tools, +29 more Red Hat OpenShift Container Platform 4 openshift/ose-rhel-coreos-8not affected: vulnerable code not present
Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf
Exploit prediction
0.22% chance of exploitation in the next 30 days, higher than 12% of all scored CVEs (FIRST EPSS, 2026-11-08).
Affected products
- Linux Linux
Classification
- Technology feeds
References
- git.kernel.org /stable/c/13403945c2385653e282dacda304dce2a25fdb53
- git.kernel.org /stable/c/2b169eedbb96f37f3f33d7b496d8283194988980
- git.kernel.org /stable/c/bf55969d9188380eb539bd216850bac27bc2e272
- git.kernel.org /stable/c/bef5514f6b6cb4bed9061f4b628d6be1cf26a39e
- git.kernel.org /stable/c/fbfe75c81bff2359a03e85cf84293484cf60fcb9
- git.kernel.org /stable/c/8afb1a787a2802caf1895dd96745cfd6790a6f95
- git.kernel.org /stable/c/91d8f8e5fd34d3aed26f0fe6cf52b3f71de66cc6
- git.kernel.org /stable/c/fc10c0ecf06f2981af5d04357612b00051e03e9e
Sources
- CVE List CVE-2026-80877
- NVD CVE-2026-80877
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.