Vulnerabilities
Misconfiguration
Compliance
CVE Vulnerabilities

CVE-2009-2847

Published: Aug 18, 2009 | Modified: Apr 09, 2025
CVSS 3.x
N/A
Source:
NVD
CVSS 2.x
4.9 MEDIUM
AV:L/AC:L/Au:N/C:C/I:N/A:N
RedHat/V2
2.1 MODERATE
AV:L/AC:L/Au:N/C:P/I:N/A:N
RedHat/V3
Ubuntu
LOW
Vulnerability-free packages from our partners
root.io logo minimus.io logo echo.ai logo
Additional information
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2009-2847
CWEhttps://cwe.mitre.org/data/definitions/.html

The do_sigaltstack function in kernel/signal.c in Linux kernel 2.4 through 2.4.37 and 2.6 before 2.6.31-rc5, when running on 64-bit systems, does not clear certain padding bytes from a structure, which allows local users to obtain sensitive information from the kernel stack via the sigaltstack function.

Affected Software

NameVendorStart VersionEnd Version
KernelLinux2.6.24.7 (including)2.6.24.7 (including)
KernelLinux2.6.25.15 (including)2.6.25.15 (including)
Linux_kernelLinux*2.6.16.31 (including)
Linux_kernelLinux2.6 (including)2.6 (including)
Linux_kernelLinux2.6.0 (including)2.6.0 (including)
Linux_kernelLinux2.6.1 (including)2.6.1 (including)
Linux_kernelLinux2.6.10 (including)2.6.10 (including)
Linux_kernelLinux2.6.11 (including)2.6.11 (including)
Linux_kernelLinux2.6.11.1 (including)2.6.11.1 (including)
Linux_kernelLinux2.6.11.2 (including)2.6.11.2 (including)
Linux_kernelLinux2.6.11.3 (including)2.6.11.3 (including)
Linux_kernelLinux2.6.11.4 (including)2.6.11.4 (including)
Linux_kernelLinux2.6.11.5 (including)2.6.11.5 (including)
Linux_kernelLinux2.6.11.6 (including)2.6.11.6 (including)
Linux_kernelLinux2.6.11.7 (including)2.6.11.7 (including)
Linux_kernelLinux2.6.11.8 (including)2.6.11.8 (including)
Linux_kernelLinux2.6.11.9 (including)2.6.11.9 (including)
Linux_kernelLinux2.6.11.10 (including)2.6.11.10 (including)
Linux_kernelLinux2.6.11.11 (including)2.6.11.11 (including)
Linux_kernelLinux2.6.11.12 (including)2.6.11.12 (including)
Linux_kernelLinux2.6.12 (including)2.6.12 (including)
Linux_kernelLinux2.6.12.1 (including)2.6.12.1 (including)
Linux_kernelLinux2.6.12.2 (including)2.6.12.2 (including)
Linux_kernelLinux2.6.12.3 (including)2.6.12.3 (including)
Linux_kernelLinux2.6.12.4 (including)2.6.12.4 (including)
Linux_kernelLinux2.6.12.5 (including)2.6.12.5 (including)
Linux_kernelLinux2.6.12.6 (including)2.6.12.6 (including)
Linux_kernelLinux2.6.13 (including)2.6.13 (including)
Linux_kernelLinux2.6.13.1 (including)2.6.13.1 (including)
Linux_kernelLinux2.6.13.2 (including)2.6.13.2 (including)
Linux_kernelLinux2.6.13.3 (including)2.6.13.3 (including)
Linux_kernelLinux2.6.13.4 (including)2.6.13.4 (including)
Linux_kernelLinux2.6.13.5 (including)2.6.13.5 (including)
Linux_kernelLinux2.6.14 (including)2.6.14 (including)
Linux_kernelLinux2.6.14.1 (including)2.6.14.1 (including)
Linux_kernelLinux2.6.14.2 (including)2.6.14.2 (including)
Linux_kernelLinux2.6.14.3 (including)2.6.14.3 (including)
Linux_kernelLinux2.6.14.4 (including)2.6.14.4 (including)
Linux_kernelLinux2.6.14.5 (including)2.6.14.5 (including)
Linux_kernelLinux2.6.14.6 (including)2.6.14.6 (including)
Linux_kernelLinux2.6.14.7 (including)2.6.14.7 (including)
Linux_kernelLinux2.6.15 (including)2.6.15 (including)
Linux_kernelLinux2.6.15.1 (including)2.6.15.1 (including)
Linux_kernelLinux2.6.15.2 (including)2.6.15.2 (including)
Linux_kernelLinux2.6.15.3 (including)2.6.15.3 (including)
Linux_kernelLinux2.6.15.4 (including)2.6.15.4 (including)
Linux_kernelLinux2.6.15.5 (including)2.6.15.5 (including)
Linux_kernelLinux2.6.15.6 (including)2.6.15.6 (including)
Linux_kernelLinux2.6.15.7 (including)2.6.15.7 (including)
Linux_kernelLinux2.6.16 (including)2.6.16 (including)
Linux_kernelLinux2.6.16.1 (including)2.6.16.1 (including)
Linux_kernelLinux2.6.16.2 (including)2.6.16.2 (including)
Linux_kernelLinux2.6.16.3 (including)2.6.16.3 (including)
Linux_kernelLinux2.6.16.10 (including)2.6.16.10 (including)
Linux_kernelLinux2.6.16.11 (including)2.6.16.11 (including)
Linux_kernelLinux2.6.16.12 (including)2.6.16.12 (including)
Linux_kernelLinux2.6.16.13 (including)2.6.16.13 (including)
Linux_kernelLinux2.6.16.14 (including)2.6.16.14 (including)
Linux_kernelLinux2.6.16.15 (including)2.6.16.15 (including)
Linux_kernelLinux2.6.16.16 (including)2.6.16.16 (including)
Linux_kernelLinux2.6.16.17 (including)2.6.16.17 (including)
Linux_kernelLinux2.6.16.18 (including)2.6.16.18 (including)
Linux_kernelLinux2.6.16.19 (including)2.6.16.19 (including)
Linux_kernelLinux2.6.16.20 (including)2.6.16.20 (including)
Linux_kernelLinux2.6.16.21 (including)2.6.16.21 (including)
Linux_kernelLinux2.6.16.22 (including)2.6.16.22 (including)
Linux_kernelLinux2.6.16.23 (including)2.6.16.23 (including)
Linux_kernelLinux2.6.16.24 (including)2.6.16.24 (including)
Linux_kernelLinux2.6.16.25 (including)2.6.16.25 (including)
Linux_kernelLinux2.6.16.26 (including)2.6.16.26 (including)
Linux_kernelLinux2.6.16.27 (including)2.6.16.27 (including)
Linux_kernelLinux2.6.16.28 (including)2.6.16.28 (including)
Linux_kernelLinux2.6.16.29 (including)2.6.16.29 (including)
Linux_kernelLinux2.6.16.30 (including)2.6.16.30 (including)
Linux_kernelLinux2.6.16.31 (including)2.6.16.31 (including)
Linux_kernelLinux2.6.16.31–rc1 (including)2.6.16.31–rc1 (including)
Linux_kernelLinux2.6.16.31–rc2 (including)2.6.16.31–rc2 (including)
Linux_kernelLinux2.6.16.31–rc3 (including)2.6.16.31–rc3 (including)
Linux_kernelLinux2.6.16.31–rc4 (including)2.6.16.31–rc4 (including)
MRG for RHEL-5RedHatkernel-rt-0:2.6.24.7-132.el5rt*
Red Hat Enterprise Linux 4RedHatkernel-0:2.6.9-89.0.11.EL*
Red Hat Enterprise Linux 5RedHatkernel-0:2.6.18-164.el5*
Red Hat Enterprise Linux 5.3.Z - Server OnlyRedHatkernel-0:2.6.18-128.8.1.el5*
LinuxUbuntuhardy*
LinuxUbuntuintrepid*
LinuxUbuntujaunty*
LinuxUbuntuupstream*
Linux-source-2.6.15Ubuntudapper*

References

Aqua Security is the largest pure-play cloud native security company, providing customers the freedom to innovate and run their businesses with minimal friction. The Aqua Cloud Native Security Platform provides prevention, detection, and response automation across the entire application lifecycle to secure the build, secure cloud infrastructure and secure running workloads wherever they are deployed.
Copyright © 2026 Aqua Security Software Ltd.   Privacy Policy | Terms of Use