VIR Vulnerability Intelligence Relay

CVE-2026-31447

high
Published 2026-04-22 · Modified 2026-05-07
💬 Discuss on Community ✚ Propose mitigation
CVSS v3
7.8
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS v4 NEW
—
not yet in upstream
VIR risk
7.8

Description

In the Linux kernel, the following vulnerability has been resolved: ext4: reject mount if bigalloc with s_first_data_block != 0 bigalloc with s_first_data_block != 0 is not supported, reject mounting it.

Predictions

Exploit likelihood
75%
Patch ETA
—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

OS impact
OSVersionStatusFixed in
suse slesaffected
debian debianbookwormfixed6.1.170-1
debian debianforkyfixed6.19.11-1
debian debiansidfixed6.19.11-1
debian debiantrixiefixed6.12.85-1
debian debianbullseyefixed6.1.170-1~deb11u1
linux linux-kernelaffected5.10.253
linux linux-kernel7.0affected

Application impact
VendorProductVersionsFixed
gcp googlegcp

References

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.