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Alerts This Week
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SUSE SLE 15 SP1: 2022:4539-1 Important Kernel Buffer Overflow Fix

suse
Calendar Grey December 18, 2022
Scroller Suse
This release tackles three significant kernel problems for SUSE SLE 15 SP1, improving overall system performance and safeguarding against vulnerabilities.
An update that fixes four vulnerabilities is now available

Summary

This update for the Linux Kernel 4.12.14-150100_197_126 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). Patch Instructions: To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch". Alternatively you can run the command listed for your product:

Topics%20covered

Topics Covered

security advisory buffer overflow important kernel fix stack overflow remediation SUSE SLE 15

References

#1204424 #1204576 #1205130 #1206228

Cross- CVE-2022-3545 CVE-2022-3586 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-2022-4378 (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

CVE-2022-43945 (SUSE): 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Products:

SUSE Linux Enterprise High Performance Computing 15

SUSE Linux Enterprise High Performance Computing 15-SP1

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2022:4539-1
Rating: important

Topics%20covered

Topics Covered

security advisory buffer overflow important kernel fix stack overflow remediation SUSE SLE 15

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