Security update for the Linux Kernel (Live Patch 30 for SLE 15)
This update for the Linux Kernel 4.12.14-150000_150_92 fixes several issues. The following security issues were fixed: - CVE-2020-36557: Fixed a race condition between the VT_DISALLOCATE ioctl and closing/opening of ttys that could have led to a use-after-free (bnc#1201429). - 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-2021-33655: Fixed out of bounds write with ioctl FBIOPUT_VSCREENINFO (bnc#1201635). - CVE-2022-2588: Fixed use-after-free in cls_route (bsc#1202096). - CVE-2022-42703: Fixed use-after-free in mm/rmap.c related to leaf anon_vma double reuse (bnc#1204168). - Fixed incorrect handling of empty arguments array in execve() (bsc#1200571).
02 / AFFECTED SOFTWARE
Affected packages
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
This update for the Linux Kernel 4.12.14-150000_150_92 fixes several issues. The following security issues were fixed: - CVE-2020-36557: Fixed a race condition between the VT_DISALLOCATE ioctl and closing/opening of ttys that could have led to a use-after-free (bnc#1201429). - 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-2021-33655: Fixed out of bounds write with ioctl FBIOPUT_VSCREENINFO (bnc#1201635). - CVE-2022-2588: Fixed use-after-free in cls_route (bsc#1202096). - CVE-2022-42703: Fixed use-after-free in mm/rmap.c related to leaf anon_vma double reuse (bnc#1204168). - Fixed incorrect handling of empty arguments array in execve() (bsc#1200571).
05 / REFERENCES
Further evidence
- https://bugzilla.suse.com/1201742
- https://bugzilla.suse.com/1201752
- https://bugzilla.suse.com/1202087
- https://bugzilla.suse.com/1203613
- https://bugzilla.suse.com/1204170
- https://bugzilla.suse.com/1204381
- 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-2022-2588
- https://www.suse.com/security/cve/CVE-2022-42703
- https://www.suse.com/support/update/announcement/2022/suse-su-20224129-1/