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openSUSE: libgcrypt Moderate Decryption Flaw Advisory 2025:02773-1

opensuse
Calendar Grey August 13, 2025
Dist Opensuse Esm H88
The recent patch for libgcrypt addresses a potential timing attack that could impact openSUSE platforms, implementing necessary fixes to enhance security.
An update that solves one vulnerability can now be installed.

Description

This update for libgcrypt fixes the following issues:

* CVE-2024-2236: timing-based side-channel flaw in RSA implementation can lead

to decryption of RSA ciphertexts (bsc#1221107).

Topics%20covered

Topics Covered

security advisory moderate OpenSUSE decryption Libgcrypt timing-based

Patch

## 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:

* openSUSE Leap 15.5

zypper in -t patch SUSE-2025-2773=1

* SUSE Linux Enterprise Micro 5.5

zypper in -t patch SUSE-SLE-Micro-5.5-2025-2773=1

* SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5

zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-ESPOS-2025-2773=1

* SUSE Linux Enterprise High Performance Computing LTSS 15 SP5

zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-LTSS-2025-2773=1

* SUSE Linux Enterprise Server 15 SP5 LTSS

zypper in -t patch SUSE-SLE-Product-SLES-15-SP5-LTSS-2025-2773=1

* SUSE Linux Enterprise Server for SAP Applications 15 SP5

zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP5-2025-2773=1

Package List

* openSUSE Leap 15.5 (aarch64 ppc64le s390x x86_64 i586)

* libgcrypt-cavs-1.9.4-150500.12.3.3

* libgcrypt-devel-debuginfo-1.9.4-150500.12.3.3

* libgcrypt20-hmac-1.9.4-150500.12.3.3

* libgcrypt-devel-1.9.4-150500.12.3.3

* libgcrypt20-1.9.4-150500.12.3.3

* libgcrypt-debugsource-1.9.4-150500.12.3.3

* libgcrypt-cavs-debuginfo-1.9.4-150500.12.3.3

* libgcrypt20-debuginfo-1.9.4-150500.12.3.3

* openSUSE Leap 15.5 (x86_64)

* libgcrypt20-32bit-debuginfo-1.9.4-150500.12.3.3

* libgcrypt-devel-32bit-1.9.4-150500.12.3.3

* libgcrypt-devel-32bit-debuginfo-1.9.4-150500.12.3.3

* libgcrypt20-hmac-32bit-1.9.4-150500.12.3.3

* libgcrypt20-32bit-1.9.4-150500.12.3.3

* openSUSE Leap 15.5 (aarch64_ilp32)

* libgcrypt-devel-64bit-1.9.4-150500.12.3.3

* libgcrypt20-64bit-debuginfo-1.9.4-150500.12.3.3

* libgcrypt-devel-64bit-debuginfo-1.9.4-150500.12.3.3

* libgcrypt20-64bit-1.9.4-150500.12.3.3

* libgcrypt20-hmac-64bit-1.9.4-150500.12.3.3

* SUSE Linux Enterprise Micro 5.5 (aarch64 ppc64le s390x x86_64)

*...

Read the Full Advisory

References

* bsc#1221107

## References:

* https://www.suse.com/security/cve/CVE-2024-2236.html

* https://bugzilla.suse.com/show_bug.cgi?id=1221107

Announcement ID: SUSE-SU-2025:02773-1
Release Date: 2025-08-13T00:10:27Z
Affected Products: * openSUSE Leap 15.5 * SUSE Linux Enterprise High Performance Computing 15 SP5 * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5 * SUSE Linux Enterprise High Performance Computing LTSS 15 SP5 * SUSE Linux Enterprise Micro 5.5 * SUSE Linux Enterprise Server 15 SP5 * SUSE Linux Enterprise Server 15 SP5 LTSS * SUSE Linux Enterprise Server for SAP Applications 15 SP5

Topics%20covered

Topics Covered

security advisory moderate OpenSUSE decryption Libgcrypt timing-based

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