CVE-2009-2847

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.

CVSS v2.0

4.9 MEDIUMAV:L/AC:L/Au:N/C:C/I:N/A:N

EPSS

0.94% chance of exploitation in the next 30 days, 58th percentile

Published

2009-08-18

Updated

2024-08-07

Proof-of-concept exploits (1)

• http://www.exploit-db.com/exploits/9352

ExploitDB entries (1)

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

References

• CVE Record
• NVD entry

Related

• CVE-2009-2820
• CVE-2009-2851
• CVE-2009-2817
• CVE-2009-2852
• CVE-2009-2793
• CVE-2009-2853