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NVD / CVE Program· CNA Linux

CVE-2026-80877: afs: Fix vllist leak

Noroxi assessment

Priority: Monitor (action score 0/100)

  • The sources we track (CISA KEV, Exploit-DB, Metasploit, Nuclei, GitHub) show no public exploit code or exploitation in the wild.
  • Probability of exploitation in the next 30 days: 0.22% (FIRST EPSS).
  • Fixed version: Linux Linux 13403945c2385653e282dacda304dce2a25fdb53, 2b169eedbb96f37f3f33d7b496d8283194988980, 8afb1a787a2802caf1895dd96745cfd6790a6f95.

Low priority for now. Upgrade to Linux Linux 13403945c2385653e282dacda304dce2a25fdb53, 2b169eedbb96f37f3f33d7b496d8283194988980, 8afb1a787a2802caf1895dd96745cfd6790a6f95 or later.

Generated automatically from the record's data: CVSS (NVD and CNA), CISA KEV and SSVC, FIRST EPSS, exploit sources, fixed versions. How we calculate it

Primary sources: NVD · CVE.org · FIRST EPSS

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.

—No exploit Fix available
Published
Sep 4, 2026
Updated
Sep 4, 2026
EPSS
0.2% · 12th percentile
CWE
—

Report tools

JSON

Action score

0

Monitor

Low priority for now.

CVSS
0 / 40 · —
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.2%

Get told when this record changes

  • Not in KEV: no record of exploitation in the wild
  • No public exploit code on record
  • A fix has been released

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Follow CVE-2026-80877

When you'll hear from us

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  • when exploit code appears or is weaponized
  • when the record is updated (including a fixed version)
  • when EPSS rises 20 points in a week

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Noroxi analysis

What does it mean in your environment?

The assessment above is generated automatically from the record's data; it doesn't know your environment. Our team verifies on your systems whether this vulnerability is actually exploitable and which mitigation is enough.

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Affected systems

Is your version affected?

Pick the product and type the version you run. It's compared with this record's version ranges in your browser; the version isn't sent anywhere.

—

Versions reported by the vendor

Affected version ranges reported by the assigning authority (Linux). Independent of NVD's CPE analysis and usually ahead of it.

  • Linux Linux

    • 5.2affected
    • d5c32c89b208e39a39cd8639aa21c012ce0daf4d and later · before 13403945c2385653e282dacda304dce2a25fdb53affected · git
    • d5c32c89b208e39a39cd8639aa21c012ce0daf4d and later · before 2b169eedbb96f37f3f33d7b496d8283194988980affected · git
    • d5c32c89b208e39a39cd8639aa21c012ce0daf4d and later · before bf55969d9188380eb539bd216850bac27bc2e272affected · git
    • d5c32c89b208e39a39cd8639aa21c012ce0daf4d and later · before bef5514f6b6cb4bed9061f4b628d6be1cf26a39eaffected · git
    • d5c32c89b208e39a39cd8639aa21c012ce0daf4d and later · before fbfe75c81bff2359a03e85cf84293484cf60fcb9affected · git
    • d5c32c89b208e39a39cd8639aa21c012ce0daf4d and later · before 8afb1a787a2802caf1895dd96745cfd6790a6f95affected · git
    • d5c32c89b208e39a39cd8639aa21c012ce0daf4d and later · before 91d8f8e5fd34d3aed26f0fe6cf52b3f71de66cc6affected · git
    • d5c32c89b208e39a39cd8639aa21c012ce0daf4d and later · before fc10c0ecf06f2981af5d04357612b00051e03e9eaffected · git
    • before 5.2not affected · semver

Package-level exposure

OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.

EcosystemPackageAffected rangeFix
Debian:12linuxbefore 6.1.180-16.1.180-1
Debian:13linuxbefore 6.12.100-16.12.100-1
Debian:14linuxbefore 7.1.5-17.1.5-1

Same product

linux: all records

Other highest-scoring records for the same primary product.

  • CVE-2026-74705udp: fix potential use-after-free in tunnel segmentation
    40Plan
  • CVE-2026-74612veth: fix skb length accounting after XDP frag adjustment
    40Plan
  • CVE-2026-74475vxlan: use neigh_ha_snapshot() in route_shortcircuit()
    40Plan

Published before and after this one in the same product

  • ← EarlierCVE-2026-80875Sep 4, 2026 · ipvs: use parsed transport offset in TCP state lookup
    0Monitor
  • ← EarlierCVE-2026-80876Sep 4, 2026 · ring-buffer: Fix event length with forced 8-byte alignment
    0Monitor
  • Later →CVE-2026-80878Sep 4, 2026 · afs: Fix leak of ungot volume
    0Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

Product / packageFixed versionSource
Linux Linux13403945c2385653e282dacda304dce2a25fdb53Vendor (CNA)
Linux Linux2b169eedbb96f37f3f33d7b496d8283194988980Vendor (CNA)
Linux Linux8afb1a787a2802caf1895dd96745cfd6790a6f95Vendor (CNA)
Linux Linux91d8f8e5fd34d3aed26f0fe6cf52b3f71de66cc6Vendor (CNA)
Linux Linuxbef5514f6b6cb4bed9061f4b628d6be1cf26a39eVendor (CNA)
Linux Linuxbf55969d9188380eb539bd216850bac27bc2e272Vendor (CNA)
Linux Linuxfbfe75c81bff2359a03e85cf84293484cf60fcb9Vendor (CNA)
Linux Linuxfc10c0ecf06f2981af5d04357612b00051e03e9eVendor (CNA)
debian:linux6.1.180-1 · Debian:12Package registry (OSV)

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

No CVSS vector for this record, so attack conditions can't be derived.

Weakness class (CWE)

—

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

MITRE has no CAPEC/ATT&CK mapping for this CWE.

Change log

  1. Fix✗ → ✓

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References

Show all references (7 more)

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records