Vulnerability Details : CVE-2015-1593
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.
Products affected by CVE-2015-1593
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:x64:*
Exploit prediction scoring system (EPSS) score for CVE-2015-1593
0.87%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 82 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2015-1593
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:P/I:N/A:N |
10.0
|
2.9
|
NIST |
CWE ids for CVE-2015-1593
-
Assigned by: nvd@nist.gov (Primary)
References for CVE-2015-1593
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http://rhn.redhat.com/errata/RHSA-2015-1137.html
RHSA-2015:1137 - Security Advisory - Red Hat Customer Portal
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http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=4e7c22d447bb6d7e37bfe39ff658486ae78e8d77
kernel/git/torvalds/linux.git - Linux kernel source treeExploit
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http://www.ubuntu.com/usn/USN-2563-1
USN-2563-1: Linux kernel vulnerabilities | Ubuntu security notices
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http://hmarco.org/bugs/linux-ASLR-integer-overflow.html
CVE-2015-1593 - Linux ASLR integer overflow: Reducing stack entropy by fourExploit
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https://github.com/torvalds/linux/commit/4e7c22d447bb6d7e37bfe39ff658486ae78e8d77
x86, mm/ASLR: Fix stack randomization on 64-bit systems · torvalds/linux@4e7c22d · GitHubExploit
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http://www.ubuntu.com/usn/USN-2565-1
USN-2565-1: Linux kernel vulnerabilities | Ubuntu security notices
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https://access.redhat.com/errata/RHSA-2019:3517
RHSA-2019:3517 - Security Advisory - Red Hat Customer Portal
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http://rhn.redhat.com/errata/RHSA-2015-1138.html
RHSA-2015:1138 - Security Advisory - Red Hat Customer Portal
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http://www.securityfocus.com/bid/72607
Linux Kernel ASLR CVE-2015-1593 Integer Overflow Vulnerability
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https://lkml.org/lkml/2015/1/7/811
LKML: Kees Cook: Re: [PATH] Fix stack randomization on x86_64 bit
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http://www.openwall.com/lists/oss-security/2015/02/13/13
oss-security - Re: CVE-Request -- Linux ASLR integer overflow
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http://www.ubuntu.com/usn/USN-2560-1
USN-2560-1: Linux kernel vulnerabilities | Ubuntu security notices
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http://www.debian.org/security/2015/dsa-3170
Debian -- Security Information -- DSA-3170-1 linux
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http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00015.html
[security-announce] SUSE-SU-2015:0736-1: important: Security update for
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http://www.ubuntu.com/usn/USN-2562-1
USN-2562-1: Linux kernel (Trusty HWE) vulnerabilities | Ubuntu security notices
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http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00009.html
[security-announce] openSUSE-SU-2015:0714-1: important: Security update
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https://bugzilla.redhat.com/show_bug.cgi?id=1192519
1192519 – (CVE-2015-1593) CVE-2015-1593 kernel: Linux stack ASLR implementation Integer overflow
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http://rhn.redhat.com/errata/RHSA-2015-1221.html
RHSA-2015:1221 - Security Advisory - Red Hat Customer Portal
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http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.19.1
Vendor Advisory
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http://www.ubuntu.com/usn/USN-2561-1
USN-2561-1: Linux kernel (OMAP4) vulnerabilities | Ubuntu security notices
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http://www.ubuntu.com/usn/USN-2564-1
USN-2564-1: Linux kernel (Utopic HWE) vulnerabilities | Ubuntu security notices
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