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openSUSE: libgcrypt Moderate RSA Flaw Vulnerability SUSE-SU-2025:02464-1

opensuse
Calendar Grey July 22, 2025
Dist Opensuse Esm H88
SUSE has issued a critical security patch for libgcrypt in response to a detected side-channel vulnerability. Users are advised to update promptly.
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 timing attack OpenSUSE Libgcrypt rsa flaw

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:

* SUSE Linux Enterprise Micro for Rancher 5.4

zypper in -t patch SUSE-SLE-Micro-5.4-2025-2464=1

* SUSE Linux Enterprise Micro 5.4

zypper in -t patch SUSE-SLE-Micro-5.4-2025-2464=1

* openSUSE Leap 15.4

zypper in -t patch SUSE-2025-2464=1

* SUSE Linux Enterprise Micro for Rancher 5.3

zypper in -t patch SUSE-SLE-Micro-5.3-2025-2464=1

* SUSE Linux Enterprise Micro 5.3

zypper in -t patch SUSE-SLE-Micro-5.3-2025-2464=1

Package List

* SUSE Linux Enterprise Micro for Rancher 5.4 (aarch64 s390x x86_64)

* libgcrypt20-debuginfo-1.9.4-150400.6.11.1

* libgcrypt20-hmac-1.9.4-150400.6.11.1

* libgcrypt-debugsource-1.9.4-150400.6.11.1

* libgcrypt20-1.9.4-150400.6.11.1

* SUSE Linux Enterprise Micro 5.4 (aarch64 s390x x86_64)

* libgcrypt20-debuginfo-1.9.4-150400.6.11.1

* libgcrypt20-hmac-1.9.4-150400.6.11.1

* libgcrypt-debugsource-1.9.4-150400.6.11.1

* libgcrypt20-1.9.4-150400.6.11.1

* openSUSE Leap 15.4 (aarch64 ppc64le s390x x86_64 i586)

* libgcrypt20-debuginfo-1.9.4-150400.6.11.1

* libgcrypt-devel-debuginfo-1.9.4-150400.6.11.1

* libgcrypt-debugsource-1.9.4-150400.6.11.1

* libgcrypt20-hmac-1.9.4-150400.6.11.1

* libgcrypt-cavs-1.9.4-150400.6.11.1

* libgcrypt-devel-1.9.4-150400.6.11.1

* libgcrypt-cavs-debuginfo-1.9.4-150400.6.11.1

* libgcrypt20-1.9.4-150400.6.11.1

* openSUSE Leap 15.4 (x86_64)

* libgcrypt20-hmac-32bit-1.9.4-150400.6.11.1

* libgcrypt20-32bit-1.9.4-150400.6.11.1

* libgcrypt20-32bit-debuginfo-1.9.4-150400.6.11.1

*...

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-2025:02464-1
Release Date: 2025-07-22T11:40:21Z
Affected Products: * openSUSE Leap 15.4 * SUSE Linux Enterprise Micro 5.3 * SUSE Linux Enterprise Micro 5.4 * SUSE Linux Enterprise Micro for Rancher 5.3 * SUSE Linux Enterprise Micro for Rancher 5.4

Topics%20covered

Topics Covered

security advisory moderate timing attack OpenSUSE Libgcrypt rsa flaw

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