SUSE 15-SP2: SUSE-SU-2020:3122-1 Important: Memory Corruption Fix
suse
November 3, 2020
An update that solves three vulnerabilities and has 31 fixes is now available
Summary
The SUSE Linux Enterprise 15 SP2 kernel was updated to receive various security and bugfixes. The following security bugs were fixed: - CVE-2020-25285: A race condition between hugetlb sysctl handlers in mm/hugetlb.c could be used by local attackers to corrupt memory, cause a NULL pointer dereference, or possibly have unspecified other impact (bnc#1176485). - CVE-2020-16120: Fixed permission check to open real file when using overlayfs. It was possible to have a file not readable by an unprivileged user be copied to a mountpoint controlled by that user and then be able to access the file. (bsc#1177470) - CVE-2020-14351: Fixed a race condition in the perf_mmap_close() function (bsc#1177086). The following non-security bugs were fixed: - ACPI: Always build evged in (git-fixes).
References
#1055014 #1055186 #1061843 #1065729 #1077428
#1129923 #1134760 #1152489 #1174748 #1174969
#1175052 #1175898 #1176485 #1176713 #1177086
#1177353 #1177410 #1177411 #1177470 #1177739
#1177749 #1177750 #1177754 #1177755 #1177765
#1177814 #1177817 #1177854 #1177855 #1177856
#1177861 #1178002 #1178079 #1178246
Cross- CVE-2020-14351 CVE-2020-16120 CVE-2020-25285
Affected Products:
SUSE Linux Enterprise Workstation Extension 15-SP2
SUSE Linux Enterprise Module for Legacy Software 15-SP2
SUSE Linux Enterprise Module for Development Tools 15-SP2
SUSE Linux Enterprise Module for Basesystem 15-SP2
SUSE Linux Enterprise High Availability 15-SP2
https://www.suse.com/security/cve/CVE-2020-14351.html
https://www.suse.com/security/cve/CVE-2020-16120.html
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Announcement ID: SUSE-SU-2020:3122-1
Rating: important
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