SUSE: 2022:3282-1 Important: Kernel Fixes for Privilege Escalation
suse
September 15, 2022
An update that solves 12 vulnerabilities and has 23 fixes is now available
Summary
The SUSE Linux Enterprise 12 SP5 Azure kernel was updated to receive various security and bugfixes. The following security bugs were fixed: - CVE-2022-36879: Fixed an issue in xfrm_expand_policies in net/xfrm/xfrm_policy.c where a refcount could be dropped twice (bnc#1201948). - CVE-2022-3028: Fixed race condition that was found in the IP framework for transforming packets (XFRM subsystem) (bnc#1202898). - CVE-2022-2977: Fixed reference counting for struct tpm_chip (bsc#1202672). - CVE-2022-29581: Fixed improper update of reference count vulnerability in net/sched that allowed a local attacker to cause privilege escalation to root (bnc#1199665). - CVE-2022-2639: Fixed an integer coercion error that was found in the openvswitch kernel module (bnc#1202154).
References
#1054914 #1065729 #1120716 #1179310 #1190397
#1191881 #1194535 #1196616 #1197158 #1199617
#1199665 #1201019 #1201264 #1201420 #1201442
#1201610 #1201705 #1201726 #1201948 #1202017
#1202096 #1202154 #1202346 #1202347 #1202393
#1202396 #1202528 #1202577 #1202672 #1202830
#1202897 #1202898 #1203013 #1203098 #1203126
Cross- CVE-2020-36516 CVE-2021-4203 CVE-2022-20368
CVE-2022-20369 CVE-2022-21385 CVE-2022-2588
CVE-2022-26373 CVE-2022-2639 CVE-2022-29581
CVE-2022-2977 CVE-2022-3028 CVE-2022-36879
CVSS scores:
CVE-2020-36516 (NVD) : 5.9 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:L
CVE-2020-36516 (SUSE): 8.1 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
CVE-2021-4203 (NVD) : 6.8 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C...
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Announcement ID: SUSE-SU-2022:3282-1
Rating: important
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