SUSE-SU-2022:1128-1 Security update for libsolv, libzypp
A memory corruption vulnerability in SUSE's package manager libraries allows attackers to cause a denial of service via crafted package metadata.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is SUSE-SU-2022:1128-1?
SUSE-SU-2022:1128-1 is a memory corruption vulnerability in libsolv, published on 7 Apr 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
This update for libsolv, libzypp fixes the following issues:
libsolv to 0.6.39:
- fix memory leaks in SWIG generated code
- fix misparsing of '&' in attributes with libxml2
- try to keep packages from a cycle close togther in the transaction order (bsc#1189622)
- fix split provides not working if the update includes a forbidden vendor change (bsc#1195485)
- fix segfault on conflict resolution when using bindings
- do not replace noarch problem rules with arch dependent ones in problem reporting
- fix and simplify pool_vendor2mask implementation
- bump version to 0.6.39
libzypp to 16.22.4:
- Hint on ptf resolver conflicts (bsc#1194848)
- Fix package signature check (bsc#1184501) Pay attention that header and payload are secured by a valid signature and report more detailed which signature is missing.
- Set ZYPP_RPM_DEBUG=1 to capture verbose rpm command output.
Which versions are affected by SUSE-SU-2022:1128-1?
Linux distribution packages (2)
libsolv SUSE:Linux Enterprise Server 12 SP2-BCL | All versions | 0.6.39-2.27.32.2 |
libzypp SUSE:Linux Enterprise Server 12 SP2-BCL | All versions | 16.22.4-27.85.2 |
How do I fix SUSE-SU-2022:1128-1?
Apply the vendor's patch.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is SUSE-SU-2022:1128-1 being exploited?
There is no known exploitation of SUSE-SU-2022:1128-1 in the wild and no public exploit code.