CVE-2015-1593

Description

The stack randomization feature in the Linux kernel before 3.19.1 on 64-bit platforms uses incorrect data types for the results of bitwise left-shift operations, which makes it easier for attackers to bypass the ASLR protection mechanism by predicting the address of the top of the stack, related to the randomize_stack_top function in fs/binfmt_elf.c and the stack_maxrandom_size function in arch/x86/mm/mmap.c.

References

https://lkml.org/lkml/2015/1/7/811

https://bugzilla.redhat.com/show_bug.cgi?id=1192519

https://access.redhat.com/errata/RHSA-2019:3517

http://www.ubuntu.com/usn/USN-2565-1

http://www.ubuntu.com/usn/USN-2564-1

http://www.ubuntu.com/usn/USN-2563-1

http://www.ubuntu.com/usn/USN-2562-1

http://www.ubuntu.com/usn/USN-2561-1

http://www.ubuntu.com/usn/USN-2560-1

http://www.securityfocus.com/bid/72607

http://www.openwall.com/lists/oss-security/2015/02/13/13

http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.19.1

http://www.debian.org/security/2015/dsa-3170

http://rhn.redhat.com/errata/RHSA-2015-1221.html

http://rhn.redhat.com/errata/RHSA-2015-1138.html

http://rhn.redhat.com/errata/RHSA-2015-1137.html

http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00015.html

http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00009.html

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=4e7c22d447bb6d7e37bfe39ff658486ae78e8d77

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3