[SUSE-SU-2021:4038-1] Security update for the Linux Kernel (Live Patch 20 for SLE 15 SP1)

Severity Important

CVEs 2

Security update for the Linux Kernel (Live Patch 20 for SLE 15 SP1)

This update for the Linux Kernel 4.12.14-197_75 fixes several issues.

The following security issues were fixed:

CVE-2021-0941: In bpf_skb_change_head of filter.c, there is a possible out of bounds read due to a use after free. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation (bnc#1192045).
CVE-2021-20322: Make the ipv4 and ipv6 ICMP exception caches less predictive to avoid information leaks about UDP ports in use. (bsc#1191790)

ID

SUSE-SU-2021:4038-1

Severity

important

URL

Published

2021-12-14T08:22:33
(2 years ago)

Modified

2021-12-14T08:22:33
(2 years ago)

Rights

Other Advisories

Source	Name	URL
Suse	SUSE ratings	https://www.suse.com/support/security/rating/
Suse	URL of this CSAF notice	https://ftp.suse.com/pub/projects/security/csaf/suse-su-2021_4038-1.json
Suse	URL for SUSE-SU-2021:4038-1	https://www.suse.com/support/update/announcement/2021/suse-su-20214038-1/
Suse	E-Mail link for SUSE-SU-2021:4038-1	https://lists.suse.com/pipermail/sle-security-updates/2021-December/009894.html
Bugzilla	SUSE Bug 1191813	https://bugzilla.suse.com/1191813
Bugzilla	SUSE Bug 1192048	https://bugzilla.suse.com/1192048
CVE	SUSE CVE CVE-2021-0941 page	https://www.suse.com/security/cve/CVE-2021-0941/
CVE	SUSE CVE CVE-2021-20322 page	https://www.suse.com/security/cve/CVE-2021-20322/

# CVE	Description	CVSS	EPSS	EPSS Trend (30 days)	Affected Products	Weaknesses	Security Advisories	Exploits	PoC	Pubblication Date	Modification Date
# CVE	Description	CVSS	EPSS	EPSS Trend (30 days)	Affected Products	Weaknesses	Security Advisories	PoC	Pubblication Date	Modification Date