SUSE: 2022:1440-1 Important: Kernel Issues Fixed for SLE 12 SP3
suse
April 27, 2022
An update that fixes three vulnerabilities is now available
Summary
This update for the Linux Kernel 4.4.180-94_156 fixes several issues. The following security issues were fixed: - CVE-2022-1016: Fixed a vulnerability in the nf_tables component of the netfilter subsystem. This vulnerability gives an attacker a powerful primitive that can be used to both read from and write to relative stack data, which can lead to arbitrary code execution. (bsc#1197335) - CVE-2022-1011: Fixed an use-after-free vulnerability which could allow a local attacker to retireve (partial) /etc/shadow hashes or any other data from filesystem when he can mount a FUSE filesystems. (bsc#1197344) - CVE-2021-39713: Fixed a race condition in the network scheduling subsystem which could lead to a use-after-free (bsc#1197211). Patch Instructions:
References
#1197211 #1197335 #1197344
Cross- CVE-2021-39713 CVE-2022-1011 CVE-2022-1016
CVSS scores:
CVE-2021-39713 (NVD) : 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVE-2021-39713 (SUSE): 7.4 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CVE-2022-1011 (NVD) : 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVE-2022-1011 (SUSE): 7 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
CVE-2022-1016 (SUSE): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Affected Products:
SUSE Linux Enterprise Server 12-SP3-LTSS
SUSE Linux Enterprise Server for SAP 12-SP3
https://www.suse.com/security/cve/CVE-2021-39713.html
https://www.suse.com/security/cve/CVE-2022-1011.html
https://www.suse.com/security/cve/CVE-2022-1016.html
https://bugzilla.suse.com/1197211
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Announcement ID: SUSE-SU-2022:1440-1
Rating: important
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