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SUSE 6.0 important: krb5 updates for memory leaks and token issues

suse
Calendar Grey June 4, 2025
Dist Suse Esm H88
SUSE issues critical upgrade for krb5 tackling various problems such as memory inefficiencies and erroneous token handling.
* bsc#1220770 * bsc#1220771 * bsc#1220772 * bsc#1227186 * bsc#1227187

Summary

## This update for krb5 fixes the following issues: * CVE-2024-37370: Confidential GSS krb5 wrap tokens with invalid plaintext Extra Count fields were erroneously accepted during unwrap (bsc#1227186) * CVE-2024-37371: Fixed invalid memory read when processing message tokens with invalid length fields (bsc#1227187) * CVE-2024-26458: Fixed memory leak at /krb5/src/lib/rpc/pmap_rmt.c (bsc#1220770) * CVE-2024-26461: Fixed memory leak at /krb5/src/lib/gssapi/krb5/k5sealv3.c (bsc#1220771) * CVE-2024-26462: Fixed memory leak at /krb5/src/kdc/ndr.c (bsc#1220772) ## 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 6.0

Topics%20covered

Topics Covered

security advisory important memory leak authentication SUSE krb5

References

* bsc#1220770

* bsc#1220771

* bsc#1220772

* bsc#1227186

* bsc#1227187

Cross-

* CVE-2024-26458

* CVE-2024-26461

* CVE-2024-26462

* CVE-2024-37370

* CVE-2024-37371

CVSS scores:

* CVE-2024-26458 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

* CVE-2024-26458 ( NVD ): 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

* CVE-2024-26461 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

* CVE-2024-26461 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

* CVE-2024-26462 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

* CVE-2024-26462 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

* CVE-2024-26462 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

* CVE-2024-37370 ( SUSE ): 7.4 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2025:20051-1
Release Date: 2025-02-03T08:56:22Z
Rating: important

Topics%20covered

Topics Covered

security advisory important memory leak authentication SUSE krb5

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