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SUSE 15 SP1: SUSE-SU-2022:4527-1 Important: Kernel Live Patch Issues

suse
Calendar Grey December 17, 2022
Dist Suse Esm H88
The latest security enhancement for Linux Kernel Live Patch 30 addresses various vulnerabilities, notably buffer overflow and service disruption threats.
An update that fixes 5 vulnerabilities is now available

Summary

This update for the Linux Kernel 4.12.14-150100_197_111 fixes several issues. The following security issues were fixed: - CVE-2022-43945: Fixed a buffer overflow in the NFSD implementation (bsc#1205128). - CVE-2022-4378: Fixed stack overflow in __do_proc_dointvec (bsc#1206207). - CVE-2022-3586: Fixed use-after-free in socket buffer (SKB) that could allow a local unprivileged user to cause a denial of service (bsc#1204439). - CVE-2022-3545: Fixed a use-after-free in area_cache_get() of the file drivers/net/ethernet/netronome/nfp/nfpcore/nfp_cppcore.c (bsc#1204415). - CVE-2022-41218: Fixed a use-after-free caused by refcount races, affecting dvb_demux_open() and dvb_dmxdev_release() in drivers/media/dvb-core/dmxdev.c (bsc#1202960). Patch Instructions:

Topics%20covered

Topics Covered

security advisory denial of service buffer overflow important SUSE live patch

References

#1203606 #1204424 #1204576 #1205130 #1206228

Cross- CVE-2022-3545 CVE-2022-3586 CVE-2022-41218

CVE-2022-4378 CVE-2022-43945

CVSS scores:

CVE-2022-3545 (NVD) : 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVE-2022-3545 (SUSE): 7.4 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

CVE-2022-3586 (NVD) : 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CVE-2022-3586 (SUSE): 7 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/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

CVE-2022-4378 (SUSE): 8.4 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVE-2022-43945 (NVD) : 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Severity
important
Lowest
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Critical

Announcement ID: SUSE-SU-2022:4527-1
Rating: important

Topics%20covered

Topics Covered

security advisory denial of service buffer overflow important SUSE live patch

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