PRIOn knowledge basePRION:CVE-2011-2928Null pointer dereference
6.4 Medium
AI Score
Confidence
High
4.9 Medium
CVSS2
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:L/AC:L/Au:N/C:N/I:N/A:C
0.0005 Low
EPSS
Percentile
14.3%
The befs_follow_link function in fs/befs/linuxvfs.c in the Linux kernel before 3.1-rc3 does not validate the length attribute of long symlinks, which allows local users to cause a denial of service (incorrect pointer dereference and OOPS) by accessing a long symlink on a malformed Be filesystem.
| CPE | Name | Operator | Version |
|---|---|---|---|
| linux_kernel | eq | 3.1 rc1 | |
| linux_kernel | eq | 3.1 rc2 | |
| linux_kernel | lt | 3.1 | |
| linux_kernel | eq | 3.1 |
References
git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=338d0f0a6fbc82407864606f5b64b75aeb3c70f2
securityreason.com/securityalert/8360
www.kernel.org/pub/linux/kernel/v3.0/testing/ChangeLog-3.1-rc3
www.openwall.com/lists/oss-security/2011/08/19/1
www.openwall.com/lists/oss-security/2011/08/19/5
www.pre-cert.de/advisories/PRE-SA-2011-06.txt
www.securityfocus.com/archive/1/519387/100/0/threaded
www.securityfocus.com/bid/49256
exchange.xforce.ibmcloud.com/vulnerabilities/69343
Related
6.4 Medium
AI Score
Confidence
High
4.9 Medium
CVSS2
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:L/AC:L/Au:N/C:N/I:N/A:C
0.0005 Low
EPSS
Percentile
14.3%