VulnerabilityModified
CVE-2011-1021
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.
LOW 3.6EPSS 0.93%
Does this matter?
Lower severity and a low EPSS score (0.93%). Track it; it rarely justifies an emergency change on its own.
Description
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.
- CVSS 2.0
- 3.6 LOWAV:L/AC:L/Au:N/C:N/I:P/A:P
- EPSS
- 0.93% probability · 59th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-264
- Affected
- linux/linux kernel
- Source
- secalert@redhat.com
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
- http://www.openwall.com/lists/oss-security/2011/02/25/5
- https://bugzilla.redhat.com/show_bug.cgi?id=680841
- https://github.com/torvalds/linux/commit/526b4af47f44148c9d665e57723ed9f86634c6e3Exploit, Patch
- 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
- http://www.openwall.com/lists/oss-security/2011/02/25/5
- https://bugzilla.redhat.com/show_bug.cgi?id=680841
- https://github.com/torvalds/linux/commit/526b4af47f44148c9d665e57723ed9f86634c6e3Exploit, Patch
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.