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Alerts This Week
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SUSE: 2022:4129-1 Important: Kernel Update For SLE 15 - Multiple Fixes

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Calendar Grey November 18, 2022
Scroller Suse
This crucial Ubuntu security patch resolves various kernel vulnerabilities for Ubuntu 20.04. Discover the recent updates!
An update that solves 5 vulnerabilities and has one errata is now available

Summary

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). Patch Instructions:

Topics%20covered

Topics Covered

security advisory update patch important linux kernel use-after-free sle

References

#1201742 #1201752 #1202087 #1203613 #1204170

#1204381

Cross- CVE-2020-36557 CVE-2020-36558 CVE-2021-33655

CVE-2022-2588 CVE-2022-42703

CVSS scores:

CVE-2020-36557 (NVD) : 5.1 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

CVE-2020-36557 (SUSE): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVE-2020-36558 (NVD) : 5.1 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

CVE-2020-36558 (SUSE): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVE-2021-33655 (NVD) : 6.7 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

CVE-2021-33655 (SUSE): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVE-2022-2588 (SUSE): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVE-2022-42703 (NVD) : 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Severity
important
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Announcement ID: SUSE-SU-2022:4129-1
Rating: important

Topics%20covered

Topics Covered

security advisory update patch important linux kernel use-after-free sle

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