Vulnerability in Linux Kernel
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.
Published · last modified .
CVSS v2 metric
CVSS v2 base score 5.0 (Medium). Vector: AV:N/AC:L/Au:N/C:P/I:N/A:N. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.038 (89.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 90th percentile — 89.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.038 · newest: 0.038 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/torvalds/linux/commit/4e7c22d447bb6d7e37bfe39ff658486ae78e8d77 (Exploit)
- www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.19.1 (Vendor Advisory)
- www.debian.org/security/2015/dsa-3170 (vendor-advisory)
- lists.opensuse.org/opensuse-security-announce/2015-04/msg00015.html (vendor-advisory)
- www.ubuntu.com/usn/USN-2562-1 (vendor-advisory)
- www.ubuntu.com/usn/USN-2565-1 (vendor-advisory)
- www.ubuntu.com/usn/USN-2561-1 (vendor-advisory)
- www.securityfocus.com/bid/72607 (vdb-entry)
- www.ubuntu.com/usn/USN-2564-1 (vendor-advisory)
- www.ubuntu.com/usn/USN-2563-1 (vendor-advisory)
Frequently asked questions
- What is CVE-2015-1593?
- CVE-2015-1593 is a vulnerability in Linux Kernel, classified under CWE-264. Published 2015-03-16.
- Is CVE-2015-1593 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.