SUSE 12 SP3: 2017:3317-1 Important Kernel Local Privilege Escalation DoS
suse
December 14, 2017
An update that fixes two vulnerabilities is now available
Summary
This update for the Linux Kernel 4.4.90-6_12 fixes several issues. The following security issues were fixed: - CVE-2017-1000405: Problematic use of pmd_mkdirty() in the touch_pmd() function allowed users to overwrite read-only huge pages (e.g. the zero huge page and sealed shmem files) (bsc#1070307). - CVE-2017-16939: The XFRM dump policy implementation in net/xfrm/xfrm_user.c kernel allowed local users to gain privileges or cause a denial of service (use-after-free) via a crafted SO_RCVBUF setsockopt system call in conjunction with XFRM_MSG_GETPOLICY Netlink messages (bsc#1069708). Patch Instructions: To install this SUSE Security Update use YaST online_update. Alternatively you can run the command listed for your product: - SUSE Linux Enterprise Live Patching 12-SP3:
References
#1069708 #1070307
Cross- CVE-2017-1000405 CVE-2017-16939
Affected Products:
SUSE Linux Enterprise Live Patching 12-SP3
https://www.suse.com/security/cve/CVE-2017-1000405.html
https://www.suse.com/security/cve/CVE-2017-16939.html
https://bugzilla.suse.com/1069708
https://bugzilla.suse.com/1070307
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Announcement ID: SUSE-SU-2017:3317-1
Rating: important
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