SUSE-SU-2026:22459-1: moderate: Security update for pcr-oracle

[SLE-SECURITY-UPDATES]

# Security update for pcr-oracle

Announcement ID: SUSE-SU-2026:22459-1  
Release Date: 2026-06-30T23:03:29Z  
Rating: moderate  
References:

  * bsc#1265042
  * bsc#1265871

  
Affected Products:

  * SUSE Linux Micro 6.1

  
  
An update that has two fixes can now be installed.

## 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

## Patch Instructions:

To install this SUSE update use the SUSE recommended installation methods like
YaST online_update or "zypper patch".  
Alternatively you can run the command listed for your product:

  * SUSE Linux Micro 6.1  
    zypper in -t patch SUSE-SLE-Micro-6.1-606=1

## Package List:

  * SUSE Linux Micro 6.1 (aarch64 x86_64)
    * pcr-oracle-debugsource-0.6.3-slfo.1.1_1.1
    * pcr-oracle-0.6.3-slfo.1.1_1.1
    * pcr-oracle-debuginfo-0.6.3-slfo.1.1_1.1

## References:

  * https://bugzilla.suse.com/show_bug.cgi?id=1265042
  * https://bugzilla.suse.com/show_bug.cgi?id=1265871

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