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SUSE: 2023:4375-1 Important: Kernel Security Update - Critical Fixes

suse
Calendar Grey November 6, 2023
Dist Suse Esm H88
This crucial safety announcement outlines the SUSE Linux Kernel revision containing vital repairs and security gaps rectified.
* bsc#1208788 * bsc#1211162 * bsc#1211307 * bsc#1212423 * bsc#1212649

Summary

## The SUSE Linux Enterprise 15 SP5 kernel was updated to receive various security and bugfixes. The following security bugs were fixed: * CVE-2023-3777: Fixed a use-after-free vulnerability in netfilter: nf_tables component can be exploited to achieve local privilege escalation. (bsc#1215095) * CVE-2023-46813: Fixed a local privilege escalation with user-space programs that have access to MMIO regions (bsc#1212649). * CVE-2023-31085: Fixed a divide-by-zero error in do_div(sz,mtd->erasesize) that could cause a local DoS. (bsc#1210778) * CVE-2023-39193: Fixed an out of bounds read in the xtables subsystem (bsc#1215860). * CVE-2023-5178: Fixed an use-after-free and a double-free flaw that could allow a malicious user to execute a remote code execution. (bsc#1215768)

Topics%20covered

Topics Covered

security advisory kernel update privilege escalation DoS local exploit SUSE security fixes

References

* bsc#1208788

* bsc#1211162

* bsc#1211307

* bsc#1212423

* bsc#1212649

* bsc#1213705

* bsc#1213772

* bsc#1214754

* bsc#1214874

* bsc#1215095

* bsc#1215104

* bsc#1215523

* bsc#1215545

* bsc#1215921

* bsc#1215955

* bsc#1215986

* bsc#1216062

* bsc#1216202

* bsc#1216322

* bsc#1216323

* bsc#1216324

* bsc#1216333

* bsc#1216345

* bsc#1216512

* bsc#1216621

* bsc#802154

Cross-

* CVE-2023-2163

* CVE-2023-31085

* CVE-2023-34324

* CVE-2023-3777

* CVE-2023-39189

* CVE-2023-39191

* CVE-2023-39193

* CVE-2023-46813

* CVE-2023-5178

CVSS scores:

* CVE-2023-2163 ( SUSE ): 7.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

* CVE-2023-2163 ( NVD ): 10.0 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N

* CVE-2023-31085 ( SUSE ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2023:4375-1
Rating: important

Topics%20covered

Topics Covered

security advisory kernel update privilege escalation DoS local exploit SUSE security fixes

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