SUSE: 2022:1270-1 Important: Kernel Flaws Threatening Security
suse
April 20, 2022
An update that fixes 13 vulnerabilities is now available
Summary
The SUSE Linux Enterprise 12 SP3 kernel was updated. The following security bugs 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#1197227) - CVE-2022-1048: Fixed a race Condition in snd_pcm_hw_free leading to use-after-free due to the AB/BA lock with buffer_mutex and mmap_lock. (bsc#1197331) - CVE-2022-0850: Fixed a kernel information leak vulnerability in iov_iter.c. (bsc#1196761) - CVE-2021-45868: Fixed a wrong validation check in fs/quota/quota_tree.c which could lead to an use-after-free if there is a corrupted quota file. (bnc#1197366)
Topics Covered
References
#1189562 #1196018 #1196488 #1196761 #1196830
#1196836 #1197227 #1197331 #1197366
Cross- CVE-2021-45868 CVE-2022-0850 CVE-2022-1016
CVE-2022-1048 CVE-2022-23036 CVE-2022-23037
CVE-2022-23038 CVE-2022-23039 CVE-2022-23040
CVE-2022-23041 CVE-2022-23042 CVE-2022-26490
CVE-2022-26966
CVSS scores:
CVE-2021-45868 (NVD) : 5.5 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CVE-2021-45868 (SUSE): 5.1 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
CVE-2022-0850 (SUSE): 4.4 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L
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
CVE-2022-1048 (SUSE): 7.4 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CVE-2022-23036 (NVD) : 7 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
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Announcement ID: SUSE-SU-2022:1270-1
Rating: important
Topics Covered
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