SUSE-SU-2026:22459-1 Security update for pcr-oracle
Not scored
Published
Check this codebase for SUSE-SU-2026:22459-1 and fix it if it is affected.
What it is: SUSE-SU-2026:22459-1 is a vulnerability in pcr-oracle, published on 30 Jun 2026.
Exploitation: There is no known exploitation of SUSE-SU-2026:22459-1 in the wild and no public exploit code.
Affected product: pcr-oracle. No package-level version data is available, so check the vendor advisory linked from the reference page.
Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.
Reference: https://insights.sbomify.com/SUSE-SU-2026-22459-1/ (Markdown: https://insights.sbomify.com/SUSE-SU-2026-22459-1/index.md)
An integer underflow in pcr-oracle allows attackers to potentially execute code or cause denial of service via crafted SBAT sections.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Not stated
- Victim action needed
- Not needed
- Fix
- Available
What is SUSE-SU-2026:22459-1?
SUSE-SU-2026:22459-1 is a vulnerability in pcr-oracle, published on 30 Jun 2026.
Official description
This update for pcr-oracle fixes the following issues
Update to 0.6.3:
Security issue:
- integer underflow vulnerability in
parse_sbatlevel_section()(bsc#1265042).
Non security issue:
- Lockout Authorization error for libvirt-emulated TPM (bsc#1265871).
Changes for pcr-oracle:
- Relax TPM self-test attribute checks (bsc#1265871)
- Update the SBAT offset boundary check (bsc#1265042)
- Advance the comparison event pointer after comparison
- Partially support shim extra files
- Locate shim extra files
- Synthesize shim extra events
- Fix various issues from review by Claude Code and introduce adversarial testing
Which versions are affected by SUSE-SU-2026:22459-1?
Linux distribution packages (1)
pcr-oracle SUSE:Linux Micro 6.1 | All versions | 0.6.3-slfo.1.1_1.1 |
How do I fix SUSE-SU-2026:22459-1?
Apply the vendor's patch.
Is SUSE-SU-2026:22459-1 being exploited?
There is no known exploitation of SUSE-SU-2026:22459-1 in the wild and no public exploit code.