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SUSE: 2021:0362-1 Important: Kernel Live Patch Remote Execution Risks

suse
Calendar Grey February 10, 2021
Dist Suse Esm H88
Important patch for SUSE Linux Kernel addressing several security flaws including the potential for remote code execution threats.
An update that fixes 7 vulnerabilities is now available

Summary

This update for the Linux Kernel 5.3.18-24_34 fixes several issues. The following security issues were fixed: - CVE-2020-29373: Fixed an issue where kernel unsafely handles the root directory during path lookups, and thus a process inside a mount namespace can escape to unintended filesystem locations (bsc#1179779). - CVE-2020-36158: Fixed a potential remote code execution in the Marvell mwifiex driver (bsc#1180562). - CVE-2020-0466: Fixed a use-after-free due to a logic error in do_epoll_ctl and ep_loop_check_proc of eventpoll.c (bnc#1180032. - CVE-2020-29569: Fixed a use after free due to a logic error (bsc#1180008). - CVE-2020-29660: Fixed a locking inconsistency in the tty subsystem that may have allowed a read-after-free attack against TIOCGSID (bsc#1179877).

Topics%20covered

Topics Covered

security advisory kernel patch remote execution important SUSE Linux Enterprise

References

#1179664 #1179779 #1179877 #1180008 #1180032

#1180562

Cross- CVE-2020-0466 CVE-2020-29368 CVE-2020-29373

CVE-2020-29569 CVE-2020-29660 CVE-2020-29661

CVE-2020-36158

CVSS scores:

CVE-2020-0466 (NVD) : 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVE-2020-0466 (SUSE): 8.4 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVE-2020-29368 (NVD) : 7 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

CVE-2020-29368 (SUSE): 7 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

CVE-2020-29373 (SUSE): 7.7 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

CVE-2020-29569 (NVD) : 8.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

CVE-2020-29569 (SUSE): 8.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

CVE-2020-29660 (NVD) : 4.4 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N

Severity
important
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Announcement ID: SUSE-SU-2021:0362-1
Rating: important

Topics%20covered

Topics Covered

security advisory kernel patch remote execution important SUSE Linux Enterprise

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