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openSUSE 15 SP5: SUSE-SU-2023:4375-1 Critical: Kernel Security Issues

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Calendar Grey November 6, 2023
Scroller Opensuse
The latest update for SUSE Linux Enterprise 15 SP5 brings significant security enhancements and patches to mitigate serious flaws.
The SUSE Linux Enterprise 15 SP5 kernel was updated to receive various security and bugfixes

Description

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)

* CVE-2023-2163: Fixed an incorrect verifier pruning in BPF that could lead to

unsafe code paths being incorrectly marked as safe, resulting in arbitrary

read/write in kernel...

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Topics%20covered

Topics Covered

security advisory critical issue local privilege escalation kernel fix Denial of Service important update openSUSE

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 Live Patching 15-SP5

zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP5-2023-4375=1

Please note that this is the initial kernel livepatch without fixes itself, this

package is later updated by separate standalone kernel livepatch updates.

* SUSE Linux Enterprise High Availability Extension 15 SP5

zypper in -t patch SUSE-SLE-Product-HA-15-SP5-2023-4375=1

* SUSE Linux Enterprise Workstation Extension 15 SP5

zypper in -t patch SUSE-SLE-Product-WE-15-SP5-2023-4375=1

* openSUSE Leap 15.5

zypper in -t patch SUSE-2023-4375=1 openSUSE-SLE-15.5-2023-4375=1

* SUSE Linux Enterprise Micro 5.5

zypper in -t patch SUSE-SLE-Micro-5.5-2023-4375=1

* Basesystem Module 15-SP5

zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP5-2023-4375=1

* Development Tools Module 15-SP5

zypper in -t patch...

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Package List

* SUSE Linux Enterprise Live Patching 15-SP5 (nosrc)

* kernel-default-5.14.21-150500.55.36.1

* SUSE Linux Enterprise Live Patching 15-SP5 (ppc64le s390x x86_64)

* kernel-default-livepatch-5.14.21-150500.55.36.1

* kernel-livepatch-5_14_21-150500_55_36-default-debuginfo-1-150500.11.5.1

* kernel-livepatch-5_14_21-150500_55_36-default-1-150500.11.5.1

* kernel-default-debuginfo-5.14.21-150500.55.36.1

* kernel-default-livepatch-devel-5.14.21-150500.55.36.1

* kernel-default-debugsource-5.14.21-150500.55.36.1

* kernel-livepatch-SLE15-SP5_Update_7-debugsource-1-150500.11.5.1

* SUSE Linux Enterprise High Availability Extension 15 SP5 (aarch64 ppc64le

s390x x86_64)

* dlm-kmp-default-debuginfo-5.14.21-150500.55.36.1

* gfs2-kmp-default-debuginfo-5.14.21-150500.55.36.1

* ocfs2-kmp-default-5.14.21-150500.55.36.1

* dlm-kmp-default-5.14.21-150500.55.36.1

* cluster-md-kmp-default-5.14.21-150500.55.36.1

* ocfs2-kmp-default-debuginfo-5.14.21-150500.55.36.1

* kernel-default-debuginfo-5.14.21-150500.55.36.1

*...

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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

## References:

* https://www.suse.com/security/cve/CVE-2023-2163.html

* https://www.suse.com/security/cve/CVE-2023-31085.html

* https://www.suse.com/security/cve/CVE-2023-34324.html

* https://www.suse.com/security/cve/CVE-2023-3777.html

* https://www.suse.com/security/cve/CVE-2023-39189.html

* https://www.suse.com/security/cve/CVE-2023-39191.html

* https://www.suse.com/security/cve/CVE-2023-39193.html

* https://www.suse.com/security/cve/CVE-2023-46813.html

* https://www.suse.com/security/cve/CVE-2023-5178.html

* https://bugzilla.suse.com/show_bug.cgi?id=1208788

* https://bugzilla.suse.com/show_bug.cgi?id=1211162

* https://bugzilla.suse.com/show_bug.cgi?id=1211307

*...

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Severity
important
Lowest
Low
Medium
High
Critical

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

Topics%20covered

Topics Covered

security advisory critical issue local privilege escalation kernel fix Denial of Service important update openSUSE

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