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SUSE: 2022:0243-1 Important: Linux Kernel Live Patch 23 for SLE 15

suse
Calendar Grey January 31, 2022
Dist Suse Esm H88
Crucial SUSE patch released for the Linux Kernel tackling 8 significant vulnerabilities, bolstering overall platform security.
An update that fixes 8 vulnerabilities is now available

Summary

This update for the Linux Kernel 4.12.14-150_69 fixes several issues. The following security issues were fixed: - CVE-2018-25020: Fixed an issue in the BPF subsystem in the Linux kernel mishandled situations with a long jump over an instruction sequence where inner instructions require substantial expansions into multiple BPF instructions, leading to an overflow. (bsc#1193575) - CVE-2020-3702: Fixed a bug which could be triggered with specifically timed and handcrafted traffic and cause internal errors in a WLAN device that lead to improper layer 2 Wi-Fi encryption with a consequent possibility of information disclosure. (bsc#1191193) - CVE-2020-25670, CVE-2020-25671, CVE-2020-25672, CVE-2020-25673, CVE-2021-23134: Fixed multiple bugs in NFC subsytem (bsc#1178181, bsc#1186060).

Topics%20covered

Topics Covered

security advisory buffer overflow important information disclosure SUSE Linux kernel live patching

References

#1186061 #1191529 #1192036 #1193863 #1194680

Cross- CVE-2018-25020 CVE-2020-25670 CVE-2020-25671

CVE-2020-25672 CVE-2020-25673 CVE-2020-3702

CVE-2021-23134 CVE-2021-42739

CVSS scores:

CVE-2018-25020 (SUSE): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVE-2020-25670 (NVD) : 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVE-2020-25670 (SUSE): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVE-2020-25671 (NVD) : 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVE-2020-25671 (SUSE): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CVE-2020-25672 (NVD) : 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVE-2020-25672 (SUSE): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Severity
important
Lowest
Low
Medium
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Critical

Announcement ID: SUSE-SU-2022:0243-1
Rating: important

Topics%20covered

Topics Covered

security advisory buffer overflow important information disclosure SUSE Linux kernel live patching

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