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openSUSE Leap 15.4: SUSE-SU-2023:3063-1 Important: Kernel RT Escalation

opensuse
Calendar Grey July 31, 2023
Scroller Opensuse
Important openSUSE upgrade improves kernel RT safety, addressing several critical vulnerabilities in Live Patch for SLE 15 SP4.
This update for the Linux Kernel 5.14.21-150400_15_8 fixes several issues

Description

This update for the Linux Kernel 5.14.21-150400_15_8 fixes several issues.

The following security issues were fixed:

* CVE-2023-35788: Fixed an out-of-bounds write in the flower classifier code

via TCA_FLOWER_KEY_ENC_OPTS_GENEVE packets in fl_set_geneve_opt in

net/sched/cls_flower.c (bsc#1212509).

* CVE-2023-2235: Fixed an use-after-free in the Performance Events system can

be exploited to achieve local privilege escalation (bsc#1210987).

* CVE-2023-2002: Fixed a flaw that allowed an attacker to unauthorized

execution of management commands, compromising the confidentiality,

integrity, and availability of Bluetooth communication (bsc#1210566).

Topics%20covered

Topics Covered

security advisory local privilege escalation kernel patch important update Bluetooth communication openSUSE out-of-bounds write

Patch

## Patch Instructions:

To install this SUSE Important 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-SP4

zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP4-2023-3064=1 SUSE-SLE-

Module-Live-Patching-15-SP4-2023-3070=1 SUSE-SLE-Module-Live-

Patching-15-SP4-2023-3067=1 SUSE-SLE-Module-Live-Patching-15-SP4-2023-3063=1

* openSUSE Leap 15.4

zypper in -t patch SUSE-2023-3064=1 SUSE-2023-3070=1 SUSE-2023-3067=1

Package List

* SUSE Linux Enterprise Live Patching 15-SP4 (x86_64)

* kernel-livepatch-5_14_21-150400_15_8-rt-7-150400.2.2

* kernel-livepatch-SLE15-SP4-RT_Update_2-debugsource-7-150400.2.2

* kernel-livepatch-5_14_21-150400_15_8-rt-debuginfo-7-150400.2.2

* SUSE Linux Enterprise Live Patching 15-SP4 (ppc64le s390x x86_64)

* kernel-livepatch-5_14_21-150400_24_46-default-debuginfo-6-150400.2.2

* kernel-livepatch-5_14_21-150400_24_33-default-9-150400.2.2

* kernel-livepatch-5_14_21-150400_24_21-default-12-150400.2.2

* kernel-livepatch-SLE15-SP4_Update_5-debugsource-9-150400.2.2

* kernel-livepatch-SLE15-SP4_Update_8-debugsource-6-150400.2.2

* kernel-livepatch-SLE15-SP4_Update_3-debugsource-12-150400.2.2

* kernel-livepatch-5_14_21-150400_24_46-default-6-150400.2.2

* kernel-livepatch-5_14_21-150400_24_33-default-debuginfo-9-150400.2.2

* kernel-livepatch-5_14_21-150400_24_21-default-debuginfo-12-150400.2.2

* openSUSE Leap 15.4 (ppc64le s390x x86_64)

* kernel-livepatch-5_14_21-150400_24_46-default-debuginfo-6-150400.2.2

*...

Read the Full Advisory

References

* #1210566

* #1210987

* #1212509

## References:

* https://www.suse.com/security/cve/CVE-2023-2002.html

* https://www.suse.com/security/cve/CVE-2023-2235.html

* https://www.suse.com/security/cve/CVE-2023-35788.html

* https://bugzilla.suse.com/show_bug.cgi?id=1210566

* https://bugzilla.suse.com/show_bug.cgi?id=1210987

* https://bugzilla.suse.com/show_bug.cgi?id=1212509

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2023:3063-1
Rating: important

Topics%20covered

Topics Covered

security advisory local privilege escalation kernel patch important update Bluetooth communication openSUSE out-of-bounds write

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