VDB
CVE-2011-4080
CVE-2011-4080
PUBLISHED
CVSS 4 MEDIUM
The sysrq_sysctl_handler function in kernel/sysctl.c in the Linux kernel before 2.6.39 does not require the CAP_SYS_ADMIN capability to modify the dmesg_restrict value, which allows local users to bypass intended access restrictions and read the kernel ring buffer by leveraging root privileges, as demonstrated by a root user in a Linux Containers (aka LXC) environment.
EPSS 0.35% · 26.0th percentile
Risk Scores
CVSS 2.0
4
EPSS Score
0.35%
26.0th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| n/a | n/a | n/a |
| linux | linux_kernel | 0 |
Timeline
- May 24, 2012 CVE Published
- Feb 4, 2022 EPSS Score
- Mar 29, 2022 EPSS Score
- May 13, 2022 CVE Updated
- May 21, 2022 EPSS Score
- Jul 13, 2022 EPSS Score
- Sep 5, 2022 EPSS Score
- Oct 28, 2022 EPSS Score
- Dec 20, 2022 EPSS Score
- Feb 11, 2023 EPSS Score
- Mar 7, 2023 EPSS Score
- Apr 5, 2023 EPSS Score
References
- http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39 url
- https://github.com/torvalds/linux/commit/bfdc0b497faa82a0ba2f9dddcf109231dd519fcc url
- https://nvd.nist.gov/vuln/detail/CVE-2011-4080 advisory
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=bfdc0b497faa82a0ba2f9dddcf109231dd519fcc url
- http://www.openwall.com/lists/oss-security/2011/10/26/10 url
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=bfdc0b497faa82a0ba2f9dddcf109231dd519fcc technical