SUSE: 2019:14157-1 Important: Linux Kernel Denial of Service Mitigations
suse
August 29, 2019
An update that solves 7 vulnerabilities and has 9 fixes is now available
Summary
The SUSE Linux Enterprise 11 SP4 kernel was updated to receive various security and bugfixes. The following security bugs were fixed: - CVE-2019-14284: The drivers/block/floppy.c allowed a denial of service by setup_format_params division-by-zero. Two consecutive ioctls can trigger the bug: the first one should set the drive geometry with .sect and .rate values that make F_SECT_PER_TRACK be zero. Next, the floppy format operation should be called. It can be triggered by an unprivileged local user even when a floppy disk has not been inserted. NOTE: QEMU creates the floppy device by default (bsc#1143189). - CVE-2019-14283: The function set_geometry in drivers/block/floppy.c did not validate the sect and head fields, as demonstrated by an integer
Topics Covered
References
#1134390 #1134399 #1138744 #1139358 #1140945
#1140965 #1141401 #1141402 #1141452 #1141453
#1141454 #1142023 #1143045 #1143179 #1143189
#1143191
Cross- CVE-2015-9289 CVE-2018-20855 CVE-2019-1125
CVE-2019-11810 CVE-2019-13631 CVE-2019-14283
CVE-2019-14284
Affected Products:
SUSE Linux Enterprise Server 11-SP4-LTSS
SUSE Linux Enterprise Server 11-EXTRA
SUSE Linux Enterprise Debuginfo 11-SP4
https://www.suse.com/security/cve/CVE-2015-9289.html
https://www.suse.com/security/cve/CVE-2018-20855.html
https://www.suse.com/security/cve/CVE-2019-1125.html
https://www.suse.com/security/cve/CVE-2019-11810.html
https://www.suse.com/security/cve/CVE-2019-13631.html
https://www.suse.com/security/cve/CVE-2019-14283.html
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Announcement ID: SUSE-SU-2019:14157-1
Rating: important
Topics Covered
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