CVE-2009-2847

Linux kernel <2.6.31-rc5 - Info Disclosure

Title source: llm

Description

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.

Exploits (1)

exploitdb WORKING POC VERIFIED

by Jon Oberheide · clocallinux

https://www.exploit-db.com/exploits/9352

View Code ZIP pw:eip

References (21)

[Patch] http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commitdiff%3Bh=0083fc2c50e6c5127c2802ad323adf8143ab7856

[Vendor Advisory] http://rhn.redhat.com/errata/RHSA-2009-1243.html

[Patch] http://www.openwall.com/lists/oss-security/2009/08/04/1

[Patch] http://www.openwall.com/lists/oss-security/2009/08/05/1

[Vendor Advisory] http://www.redhat.com/support/errata/RHSA-2009-1438.html

[Vendor Advisory] http://www.ubuntu.com/usn/USN-852-1

[Patch] https://bugzilla.redhat.com/show_bug.cgi?id=515392

[Vendor Advisory] https://www.redhat.com/archives/fedora-package-announce/2009-August/msg01256.html

[Vendor Advisory] http://www.vmware.com/security/advisories/VMSA-2009-0016.html

[Third Party Advisory, VDB Entry] http://www.securityfocus.com/archive/1/507985/100/0/threaded

[Exploit, Third Party Advisory] http://www.exploit-db.com/exploits/9352

[Mailing List] http://www.openwall.com/lists/oss-security/2009/08/26/2

[Third Party Advisory, VDB Entry] https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10637

[Third Party Advisory, VDB Entry] https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8405

[Third Party Advisory] http://secunia.com/advisories/36136

[Third Party Advisory] http://secunia.com/advisories/36501

[Third Party Advisory] http://secunia.com/advisories/36562

[Third Party Advisory] http://secunia.com/advisories/36759

[Third Party Advisory] http://secunia.com/advisories/37105

[Third Party Advisory] http://secunia.com/advisories/37471

... and 1 more

Scores

EPSS 0.0018

EPSS Percentile 39.7%

Details

Status published

Products (50)

linux/kernel 2.6.24.7

linux/kernel 2.6.25.15

linux/linux_kernel 2.6

linux/linux_kernel 2.6.0

linux/linux_kernel 2.6.1

linux/linux_kernel 2.6.10

linux/linux_kernel 2.6.11

linux/linux_kernel 2.6.11.1

linux/linux_kernel 2.6.11.2

linux/linux_kernel 2.6.11.3

... and 40 more

Published Aug 18, 2009

Tracked Since Feb 18, 2026