CVE-2011-2183
Advisory lineage Upstream: 0 Downstream: 4
Modified
Published: 13 Jun 2012, 10:00
Last modified:06 Aug 2024, 22:53
Vulnerability Summary
Overall Risk (default)
medium
26/100 CVSS Score
4 MEDIUM
v2.0 (nvd)
EPSS Score
0.13% LOW
0% probability +0.05%
KEV
Not listed
Ransomware
No reports
Public exploits
1 found
Dark Web
Not detected
Timeline
13 Jun 2012, 10:00
Published
Vulnerability first disclosed
06 Aug 2024, 22:53
Last Modified
Vulnerability information updated
Description
Race condition in the scan_get_next_rmap_item function in mm/ksm.c in the Linux kernel before 2.6.39.3, when Kernel SamePage Merging (KSM) is enabled, allows local users to cause a denial of service (NULL pointer dereference) or possibly have unspecified other impact via a crafted application.
CVSS Metrics
- v2.0•MEDIUM•Score: 4AV:L/AC:H/Au:N/C:N/I:N/A:C
EPSS Trends
Current EPSS score: 0.13%• Percentile: 32%
Techniques & Countermeasures
- CWE-362•Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
The product contains a concurrent code sequence that requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence operating concurrently.
Affected Systems
- linux•linux_kernel
≤ 2.6.39.2 | 2.6.39 | 2.6.39:rc1 | 2.6.39:rc2 | 2.6.39:rc3 | 2.6.39:rc4 | 2.6.39:rc5 | 2.6.39:rc6 | 2.6.39:rc7 | 2.6.39.1
References (5)
- http://www.openwall.com/lists/oss-security/2011/06/06/1
- https://github.com/torvalds/linux/commit/2b472611a32a72f4a118c069c2d62a1a3f087afd
- https://bugzilla.redhat.com/show_bug.cgi?id=710338
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=2b472611a32a72f4a118c069c2d62a1a3f087afd
- http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39.3