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SUSE: 2022:4559-1 Important Kernel Live Patch Fixes 7 Security Issues

suse
Calendar Grey December 19, 2022
Dist Suse Esm H88
Ubuntu Security Notice: Kernel Upgrade 4 for 20.04 LTS targets significant threats to strengthen system integrity.
An update that fixes 7 vulnerabilities is now available

Summary

This update for the Linux Kernel 5.14.21-150400_24_21 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-2022-4139: Fixed an issue with the i915 driver that allowed the GPU to access any physical memory (bsc#1205700). - CVE-2022-3640: Fixed a use-after-free in l2cap_conn_del of the file net/bluetooth/l2cap_core.c (bsc#1204619). - 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).

Topics%20covered

Topics Covered

security advisory denial of service buffer overflow kernel patch important SUSE Linux stack overflow

References

#1203606 #1204424 #1204576 #1204624 #1205130

#1205815 #1206228

Cross- CVE-2022-3545 CVE-2022-3586 CVE-2022-3640

CVE-2022-41218 CVE-2022-4139 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-2022-3640 (NVD) : 8.8 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVE-2022-3640 (SUSE): 7.1 CVSS:3.1/AV:A/AC:H/PR:N/UI:R/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

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2022:4559-1
Rating: important

Topics%20covered

Topics Covered

security advisory denial of service buffer overflow kernel patch important SUSE Linux stack overflow

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