CVE-2011-1021

23Vexday Risk Score

No sign of exploitation. It has a public proof of concept.

ssvc Attendepss 0.9%

from disclosure to weapon0 days

Published on NVDJun 21

1st PoCDec 18

exploitation probability

0.9%top 43% of all CVEs

observed exploitation

nono source reports it

1 public exploit(s)

drivers/acpi/debugfs.c in the Linux kernel before 3.0 allows local users to modify arbitrary kernel memory locations by leveraging root privileges to write to the /sys/kernel/debug/acpi/custom_method file. NOTE: this vulnerability exists because of an incomplete fix for CVE-2010-4347.

Affected products

n/a · n/a

public PoCs found — 1✓ VexDay Proof

exploitdb✓ VexDay Proofwww.exploit-db.com/exploits/15774

⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.

References

http://ftp.osuosl.org/pub/linux/kernel/v3.0/ChangeLog-3.0 http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=526b4af47f44148c9d665e57723ed9f86634c6e3 https://bugzilla.redhat.com/show_bug.cgi?id=680841 https://github.com/torvalds/linux/commit/526b4af47f44148c9d665e57723ed9f86634c6e3 http://www.openwall.com/lists/oss-security/2011/02/25/5