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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2022.4574 Security update for the Linux Kernel 15 September 2022 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: Linux Kernel Publisher: SUSE Operating System: SUSE Resolution: Patch/Upgrade CVE Names: CVE-2022-39188 CVE-2022-36879 CVE-2022-26373 CVE-2022-21385 CVE-2022-20369 CVE-2022-20368 CVE-2022-3028 CVE-2022-2991 CVE-2022-2588 CVE-2020-36516 CVE-2019-3900 Original Bulletin: https://www.suse.com/support/update/announcement/2022/suse-su-20223263-1 Comment: CVSS (Max): 8.2 CVE-2022-2991 (CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H) CVSS Source: SUSE Calculator: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H - --------------------------BEGIN INCLUDED TEXT-------------------- SUSE Security Update: Security update for the Linux Kernel ______________________________________________________________________________ Announcement ID: SUSE-SU-2022:3263-1 Rating: important References: #1133374 #1191881 #1196616 #1201420 #1201726 #1201948 #1202096 #1202346 #1202347 #1202393 #1202897 #1202898 #1203098 #1203107 Cross-References: CVE-2019-3900 CVE-2020-36516 CVE-2022-20368 CVE-2022-20369 CVE-2022-21385 CVE-2022-2588 CVE-2022-26373 CVE-2022-2991 CVE-2022-3028 CVE-2022-36879 CVE-2022-39188 Affected Products: SUSE Linux Enterprise Server 12-SP3-BCL ______________________________________________________________________________ An update that solves 11 vulnerabilities and has three fixes is now available. Description: The SUSE Linux Enterprise 12 SP3 kernel was updated to receive various security and bugfixes. The following security bugs were fixed: o CVE-2022-39188: Fixed race condition in include/asm-generic/tlb.h where a device driver can free a page while it still has stale TLB entries (bnc# 1203107). o 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). o CVE-2022-3028: Fixed race condition that was found in the IP framework for transforming packets (XFRM subsystem) (bnc#1202898). o CVE-2022-2991: Fixed an heap-based overflow in the lightnvm implemenation (bsc#1201420). o CVE-2022-26373: Fixed non-transparent sharing of return predictor targets between contexts in some Intel Processors (bnc#1201726). o CVE-2022-2588: Fixed use-after-free in cls_route (bsc#1202096). o CVE-2022-21385: Fixed a flaw in net_rds_alloc_sgs() that allowed unprivileged local users to crash the machine (bnc#1202897). o CVE-2022-20369: Fixed out of bounds write in v4l2_m2m_querybuf of v4l2-mem2mem.c (bnc#1202347). o CVE-2022-20368: Fixed slab-out-of-bounds access in packet_recvmsg() (bsc# 1202346). o CVE-2020-36516: Fixed an issue in the mixed IPID assignment method where an attacker was able to inject data into or terminate a victim's TCP session (bnc#1196616). o CVE-2019-3900: Fixed infinite loop the vhost_net kernel module that could result in a DoS scenario (bnc#1133374). The following non-security bugs were fixed: o net_sched: cls_route: Disallowed handle of 0 (bsc#1202393). o mm, rmap: Fixed anon_vma->degree ambiguity leading to double-reuse (bsc# 1203098). o lightnvm: Removed lightnvm implemenation (bsc#1191881). Special Instructions and Notes: Please reboot the system after installing this update. Patch Instructions: To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch". Alternatively you can run the command listed for your product: o SUSE Linux Enterprise Server 12-SP3-BCL: zypper in -t patch SUSE-SLE-SERVER-12-SP3-BCL-2022-3263=1 Package List: o SUSE Linux Enterprise Server 12-SP3-BCL (noarch): kernel-devel-4.4.180-94.174.1 kernel-macros-4.4.180-94.174.1 kernel-source-4.4.180-94.174.1 o SUSE Linux Enterprise Server 12-SP3-BCL (x86_64): kernel-default-4.4.180-94.174.1 kernel-default-base-4.4.180-94.174.1 kernel-default-base-debuginfo-4.4.180-94.174.1 kernel-default-debuginfo-4.4.180-94.174.1 kernel-default-debugsource-4.4.180-94.174.1 kernel-default-devel-4.4.180-94.174.1 kernel-syms-4.4.180-94.174.1 References: o https://www.suse.com/security/cve/CVE-2019-3900.html o https://www.suse.com/security/cve/CVE-2020-36516.html o https://www.suse.com/security/cve/CVE-2022-20368.html o https://www.suse.com/security/cve/CVE-2022-20369.html o https://www.suse.com/security/cve/CVE-2022-21385.html o https://www.suse.com/security/cve/CVE-2022-2588.html o https://www.suse.com/security/cve/CVE-2022-26373.html o https://www.suse.com/security/cve/CVE-2022-2991.html o https://www.suse.com/security/cve/CVE-2022-3028.html o https://www.suse.com/security/cve/CVE-2022-36879.html o https://www.suse.com/security/cve/CVE-2022-39188.html o https://bugzilla.suse.com/1133374 o https://bugzilla.suse.com/1191881 o https://bugzilla.suse.com/1196616 o https://bugzilla.suse.com/1201420 o https://bugzilla.suse.com/1201726 o https://bugzilla.suse.com/1201948 o https://bugzilla.suse.com/1202096 o https://bugzilla.suse.com/1202346 o https://bugzilla.suse.com/1202347 o https://bugzilla.suse.com/1202393 o https://bugzilla.suse.com/1202897 o https://bugzilla.suse.com/1202898 o https://bugzilla.suse.com/1203098 o https://bugzilla.suse.com/1203107 - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. The mailing list you are subscribed to is maintained within your organisation, so if you do not wish to continue receiving these bulletins you should contact your local IT manager. If you do not know who that is, please send an email to auscert@auscert.org.au and we will forward your request to the appropriate person. NOTE: Third Party Rights This security bulletin is provided as a service to AusCERT's members. As AusCERT did not write the document quoted above, AusCERT has had no control over its content. The decision to follow or act on information or advice contained in this security bulletin is the responsibility of each user or organisation, and should be considered in accordance with your organisation's site policies and procedures. AusCERT takes no responsibility for consequences which may arise from following or acting on information or advice contained in this security bulletin. NOTE: This is only the original release of the security bulletin. It may not be updated when updates to the original are made. If downloading at a later date, it is recommended that the bulletin is retrieved directly from the author's website to ensure that the information is still current. Contact information for the authors of the original document is included in the Security Bulletin above. If you have any questions or need further information, please contact them directly. Previous advisories and external security bulletins can be retrieved from: https://www.auscert.org.au/bulletins/ =========================================================================== Australian Computer Emergency Response Team The University of Queensland Brisbane Qld 4072 Internet Email: auscert@auscert.org.au Facsimile: (07) 3365 7031 Telephone: (07) 3365 4417 (International: +61 7 3365 4417) AusCERT personnel answer during Queensland business hours which are GMT+10:00 (AEST). On call after hours for member emergencies only. =========================================================================== -----BEGIN PGP SIGNATURE----- Comment: https://auscert.org.au/gpg-key/ iQIVAwUBYyJqTMkNZI30y1K9AQhcog//VmqCMafkhlnR6wNdHhqgKOEfuXm8nU/h lz8GeFaRhauQbW37UAjbky9PsJ1MpGNP/9riQl9dH9vUdnURf7v3msGwTmqv2pmK MWkityepoAwjiukKPcWEy4nXcwiUcJcWts/uZw2ijJ+QZGDlkiTCMgdj4cxdS8Qx Wc9L8myBB8ig173q2U9vIsG7JvjOAo4LVqTle5BFdzWlKidZYJw69BAgveZKM/6Y DRTJqopCX4n0eRqt2Opy1HlfwY0Dlr2wdDU57UjI2+CTcO9fQ8I+0AGZzS+bUYvC lX7r94z6RYBB+7BIymPINwXEpTP76NnUPU6dnYckkhixQov6aGHqsc/YQL1r2f5C WgreNTPeO4kMt/S16THd9dn90memJNH8yzjuBGGXHA3NF2XwKT97ipXVykqgof4C x+X6LGMkm2MYjk0cBF/GNBVW4jvnronJDXhaEd2O0mR2CIy/G+7OZZs2+s8aKr3N tHMncMwSs/08Jb25y7B8fxvbeX+7BvZfysvki2nO7ZevpJmzjiJl0m0us03cIPH0 VcMliHVu2Y4ZRIf9lPWNABQQPO6LvcIkIZLzJdOb+W2nZ03AR2zuHXYNq0UYeUOT QPucDhTG9QNvrScLdSMmaygJy6hZ3V1cYWNlyVijRe+VQ7BeF/MAOsXiEt38TbeC 4TvJHVuJ3+o= =aVNj -----END PGP SIGNATURE-----