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SUSE: 2024:0483-1 Important Local Privilege Escalation Fix

suse
Calendar Grey February 15, 2024
Dist Suse Esm H88
Essential security patch released to fix various kernel bugs and weaknesses in SUSE Linux environments, boosting overall system resilience.
* bsc#1065729 * bsc#1108281 * bsc#1123986 * bsc#1141539 * bsc#1181674

Summary

## The SUSE Linux Enterprise 12 SP5 Azure kernel was updated to receive various security bugfixes. The following security bugs were fixed: * CVE-2024-1086: Fixed a use-after-free vulnerability inside the nf_tables component that could have been exploited to achieve local privilege escalation (bsc#1219434). * CVE-2023-51780: Fixed a use-after-free in do_vcc_ioctl in net/atm/ioctl.c, because of a vcc_recvmsg race condition (bsc#1218730). * CVE-2023-46838: Fixed an issue with Xen netback processing of zero-length transmit fragment (bsc#1218836). * CVE-2021-33631: Fixed an integer overflow in ext4_write_inline_data_end() (bsc#1219412). * CVE-2023-47233: Fixed a use-after-free in the device unplugging (disconnect the USB by hotplug) code inside the brcm80211 component (bsc#1216702).

Topics%20covered

Topics Covered

security advisory update local privilege escalation important kernel information disclosure SUSE Linux

References

* bsc#1065729

* bsc#1108281

* bsc#1123986

* bsc#1141539

* bsc#1181674

* bsc#1206889

* bsc#1212152

* bsc#1216702

* bsc#1216989

* bsc#1217525

* bsc#1218689

* bsc#1218713

* bsc#1218730

* bsc#1218752

* bsc#1218757

* bsc#1218768

* bsc#1218836

* bsc#1218968

* bsc#1219022

* bsc#1219053

* bsc#1219120

* bsc#1219128

* bsc#1219412

* bsc#1219434

* bsc#1219445

* bsc#1219446

Cross-

* CVE-2021-33631

* CVE-2023-46838

* CVE-2023-47233

* CVE-2023-51042

* CVE-2023-51043

* CVE-2023-51780

* CVE-2023-51782

* CVE-2023-6040

* CVE-2024-0340

* CVE-2024-0775

* CVE-2024-1086

CVSS scores:

* CVE-2021-33631 ( SUSE ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

* CVE-2021-33631 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

* CVE-2023-46838 ( SUSE ): 4.4 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2024:0483-1
Rating: important

Topics%20covered

Topics Covered

security advisory update local privilege escalation important kernel information disclosure SUSE Linux

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