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VulnerabilityPublished Updated

CVE-2026-111581: libblockdev · (A flaw was found

Affects libblockdevSource GCVE Database

0
Authoritative record:CVE-2026-111581· Low 3.3

Not known to be exploited · CVSS 3.3 Low.

Data as of 27 Oct 2026, 08:00 UTC

CVSS 3.1 base score
3.3Low
How severe the flaw is on the 0–10 CVSS scale.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 16 Oct 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

What to do

Affected software

ProductAffectedFixed in
Ubuntu 26.10libblockdevpkg:deb/ubuntu/libblockdev?arch=source&distro=stonkingOther threatsAffected
  • =3.4.0-1
  • =3.5.0-1
  • =3.5.0-2
Fixed in–
Ubuntu 26.04 LTSlibblockdevpkg:deb/ubuntu/libblockdev?arch=source&distro=resoluteOther threatsAffected
  • =3.3.0-2.1
  • =3.4.0-1
Fixed in–
Ubuntu 24.04 LTSlibblockdevpkg:deb/ubuntu/libblockdev?arch=source&distro=nobleOther threatsAffected
  • 3.0.3-1 – 3.1.1-1ubuntu0.1
6 affected builds
Fixed in–
Ubuntu 22.04 LTSlibblockdevpkg:deb/ubuntu/libblockdev?arch=source&distro=jammyOther threatsAffected
  • =2.25-2build1
  • =2.26-1
  • =2.26-1ubuntu0.1
Fixed in–
Ubuntu Pro 20.04 LTSlibblockdevpkg:deb/ubuntu/libblockdev?arch=source&distro=esm-infra/focalOther threatsAffected
  • 2.22-1 – 2.23-2ubuntu3+esm1
5 affected builds
Fixed in–
Ubuntu Pro 18.04 LTSlibblockdevpkg:deb/ubuntu/libblockdev?arch=source&distro=esm-infra/bionicOther threatsAffected
  • 2.12-2 – 2.16-2ubuntu0.1~esm1
6 affected builds
Fixed in–

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

Until a fix is available, limit local user privileges to trusted users to reduce risk.

Description

A low-severity vulnerability was found in libblockdev affecting multiple specific versions. The flaw involves the bd_fs_ntfs_set_label() function and related components. The vulnerability has a CVSS score of 3.3, indicating limited impact primarily on integrity with no confidentiality or availability impact. No public exploits or known active exploitation have been reported.

References

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