Vulnerability in Linux Kernel
CVE-2009-3624
The get_instantiation_keyring function in security/keys/keyctl.c in the KEYS subsystem in the Linux kernel before 2.6.32-rc5 does not properly maintain the reference count of a keyring, which allows local users to gain privileges or cause a denial of service (OOPS) via vectors involving calls to this function without specifying a keyring by ID, as demonstrated by a series of keyctl request2 and keyctl list commands.
Vulnerability class: POODLE (CVE-2014-3566)
Published · last modified .
CVSS v2 metric
CVSS v2 base score 4.6 (Medium). Vector: AV:L/AC:L/Au:N/C:P/I:P/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.004 (28.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 29th percentile — 28.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- Linux Kernel — versions 2.6.24.7, 2.6.25.15
- Linux Kernel — versions 2.6, 2.6.0, 2.6.1
Weakness classification (CWE)
References
- marc.info/ (mailing-list)
- www.ubuntu.com/usn/usn-864-1 (vendor-advisory)
- lists.opensuse.org/opensuse-security-announce/2010-01/msg00000.html (vendor-advisory)
- git.kernel.org/
- twitter.com/spendergrsec/statuses/4916661870
- www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.32-rc5 (Vendor Advisory)
- marc.info/ (mailing-list)
- secunia.com/advisories/37086 (Vendor Advisory, third-party-advisory)
- secunia.com/advisories/38017 (third-party-advisory)