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SUSE: 2022:3688-1 Important Kernel Issues Resolved for Security

suse
Calendar Grey October 21, 2022
Dist Suse Esm H88
A significant update from SUSE tackles critical security vulnerabilities within the Linux kernel, incorporating numerous bug resolutions and enhancements.
An update that solves 5 vulnerabilities and has two fixes is now available

Summary

The SUSE Linux Enterprise 15 kernel was updated. The following security bugs were fixed: - CVE-2022-3303: Fixed a race condition in the sound subsystem due to improper locking (bnc#1203769). - CVE-2022-41218: Fixed an use-after-free caused by refcount races in drivers/media/dvb-core/dmxdev.c (bnc#1202960). - CVE-2022-3239: Fixed an use-after-free in the video4linux driver that could lead a local user to able to crash the system or escalate their privileges (bnc#1203552). - CVE-2022-41848: Fixed a race condition and resultant use-after-free if a physically proximate attacker removes a PCMCIA device while calling ioctl (bnc#1203987). - CVE-2022-2503: Fixed a bug in dm-verity, device-mapper table reloads allowed users with root privileges to switch out the target with an

References

#1201309 #1202385 #1202677 #1202960 #1203552

#1203769 #1203987

Cross- CVE-2022-2503 CVE-2022-3239 CVE-2022-3303

CVE-2022-41218 CVE-2022-41848

CVSS scores:

CVE-2022-2503 (NVD) : 6.7 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

CVE-2022-2503 (SUSE): 6.7 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

CVE-2022-3239 (NVD) : 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVE-2022-3239 (SUSE): 6.4 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H

CVE-2022-3303 (NVD) : 4.7 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

CVE-2022-3303 (SUSE): 4.4 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

CVE-2022-41218 (NVD) : 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CVE-2022-41218 (SUSE): 8.4 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity
important
Lowest
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Announcement ID: SUSE-SU-2022:3688-1
Rating: important

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