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SUSE Linux 12 SP2: 2023:2634-1 Moderate OpenSSL Timing Attack

suse
Calendar Grey February 27, 2024
Dist Suse Esm H88
Essential security patch released for SUSE Linux to mitigate openssl timing vulnerability. Urge immediate implementation of this fix.
* bsc#1207534 Cross-References: * CVE-2022-4304

Summary

## This update for openssl fixes the following issues: * CVE-2022-4304: Reworked the fix for the Timing-Oracle in RSA decryption. The previous fix for this timing side channel turned out to cause a severe 2-3x performance regression in the typical use case (bsc#1207534). ## 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 Server 12 SP2 BCL 12-SP2 zypper in -t patch SUSE-SLE-SERVER-12-SP2-BCL-2023-2634=1 ## Package List: * SUSE Linux Enterprise Server 12 SP2 BCL 12-SP2 (x86_64) * libopenssl1_0_0-debuginfo-32bit-1.0.2j-60.98.1 * libopenssl1_0_0-hmac-32bit-1.0.2j-60.98.1 * libopenssl1_0_0-debuginfo-1.0.2j-60.98.1

References

* bsc#1207534

Cross-

* CVE-2022-4304

CVSS scores:

* CVE-2022-4304 ( SUSE ): 5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

* CVE-2022-4304 ( NVD ): 5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected Products:

* SUSE Linux Enterprise High Performance Computing 12 SP2

* SUSE Linux Enterprise Server 12 SP2

* SUSE Linux Enterprise Server 12 SP2 BCL 12-SP2

An update that solves one vulnerability can now be installed.

##

* https://www.suse.com/security/cve/CVE-2022-4304.html

* https://bugzilla.suse.com/show_bug.cgi?id=1207534

Announcement ID: SUSE-SU-2023:2634-1
Rating: moderate

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