SUSE-SU-2022:2721-1
SUSE-SU-2022:2721-1 · Security update for the Linux Kernel
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The SUSE Linux Enterprise 12 kernel was updated to receive various security bugfixes. The following security bugs were fixed: - CVE-2022-36946: Fixed an incorrect packet trucation operation which could lead to denial of service (bnc#1201940). - CVE-2022-20166: Fixed several possible memory safety issues due to unsafe operations (bsc#1200598). - CVE-2020-15393: Fixed a memory leak in the usbtest driver which could lead to denial of service (bnc#1173514). - CVE-2020-36558: Fixed a race condition involving VT_RESIZEX which could lead to a NULL pointer dereference and general protection fault (bnc#1200910). - CVE-2020-36557: Fixed a race condition between the VT_DISALLOCATE ioctl and closing/opening of TTYs could lead to a use-after-free (bnc#1201429). - CVE-2021-33656: Fixed memory out of bounds write related to ioctl cmd PIO_FONT (bnc#1201636). - CVE-2021-33655: Fixed out of bounds write with ioctl FBIOPUT_VSCREENINFO (bnc#1201635). - CVE-2022-1462: Fixed an out-of-bounds read flaw in the TTY subsystem (bnc#1198829). - CVE-2022-26365, CVE-2022-33740, CVE-2022-33741, CVE-2022-33742: Fixed multiple potential data leaks with Block and Network devices when using untrusted backends (bsc#1200762). - CVE-2022-2318: Fixed a use-after-free vulnerability in the timer handler in Rose subsystem that allowed unprivileged attackers to crash the system (bsc#1201251). - CVE-2021-39713: Fixed a race condition in the network scheduling subsystem which could lead to a use-after-free (bnc#1196973). The following non-security bugs were fixed: - kvm: emulate: Do not adjust size of fastop and setcc subroutines (bsc#1201930). - kvm: emulate: Fix SETcc emulation function offsets with SLS (bsc#1201930).
Correctif disponible
- Publication
- Mise à jour
Pile logicielle: system
Produits et versions concernés
kernel-default SUSE:Linux Enterprise Server 12 SP2-BCL
- Plages de versions concernées
- ECOSYSTEM: < 4.4.121-92.181.1
Mettez à jour vers 4.4.121-92.181.1
kernel-source SUSE:Linux Enterprise Server 12 SP2-BCL
- Plages de versions concernées
- ECOSYSTEM: < 4.4.121-92.181.1
Mettez à jour vers 4.4.121-92.181.1
kernel-syms SUSE:Linux Enterprise Server 12 SP2-BCL
- Plages de versions concernées
- ECOSYSTEM: < 4.4.121-92.181.1
Mettez à jour vers 4.4.121-92.181.1
Sources originales
- https://www.suse.com/support/update/announcement/2022/suse-su-20222721-1/
- https://bugzilla.suse.com/1173514
- https://bugzilla.suse.com/1196973
- https://bugzilla.suse.com/1198829
- https://bugzilla.suse.com/1200598
- https://bugzilla.suse.com/1200762
- https://bugzilla.suse.com/1200910
- https://bugzilla.suse.com/1201251
- https://bugzilla.suse.com/1201429
- https://bugzilla.suse.com/1201635
- https://bugzilla.suse.com/1201636
- https://bugzilla.suse.com/1201742
- https://bugzilla.suse.com/1201752
- https://bugzilla.suse.com/1201930
- https://bugzilla.suse.com/1201940
- https://www.suse.com/security/cve/CVE-2020-15393
- https://www.suse.com/security/cve/CVE-2020-36557
- https://www.suse.com/security/cve/CVE-2020-36558
- https://www.suse.com/security/cve/CVE-2021-33655
- https://www.suse.com/security/cve/CVE-2021-33656
- https://www.suse.com/security/cve/CVE-2021-39713
- https://www.suse.com/security/cve/CVE-2022-1462
- https://www.suse.com/security/cve/CVE-2022-20166
- https://osv.dev/vulnerability/SUSE-SU-2022:2721-1