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VPR Score: 8.4
SynopsisThe remote SUSE host is missing one or more security updates.
DescriptionThe SUSE Linux Enterprise 11 SP3 kernel was updated to receive various security fixes. The following security bugs were fixed :
- CVE-2017-1000364: The default stack guard page was too small and could be 'jumped over' by userland programs using more than one page of stack in functions and so lead to memory corruption. This update extends the stack guard page to 1 MB (for 4k pages) and 16 MB (for 64k pages) to reduce this attack vector. This is not a kernel bugfix, but a hardening measure against this kind of userland attack.(bsc#1039348)
- CVE-2015-3288: mm/memory.c in the Linux kernel mishandled anonymous pages, which allowed local users to gain privileges or cause a denial of service (page tainting) via a crafted application that triggers writing to page zero (bnc#979021).
Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.
SolutionTo install this SUSE Security Update use YaST online_update.
Alternatively you can run the command listed for your product :
SUSE Linux Enterprise Server 11-SP3-LTSS:zypper in -t patch slessp3-kernel-13156=1
SUSE Linux Enterprise Server 11-EXTRA:zypper in -t patch slexsp3-kernel-13156=1
SUSE Linux Enterprise Point of Sale 11-SP3:zypper in -t patch sleposp3-kernel-13156=1
SUSE Linux Enterprise Debuginfo 11-SP3:zypper in -t patch dbgsp3-kernel-13156=1
To bring your system up-to-date, use 'zypper patch'.