Vulnerability Details : CVE-2011-2493
The ext4_fill_super function in fs/ext4/super.c in the Linux kernel before 2.6.39 does not properly initialize a certain error-report data structure, which allows local users to cause a denial of service (OOPS) by attempting to mount a crafted ext4 filesystem.
Vulnerability category: Denial of service
Products affected by CVE-2011-2493
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:2.6.38:rc1:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:2.6.38:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:2.6.38:rc3:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:2.6.38:rc5:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:2.6.38:rc7:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:2.6.38.1:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:2.6.38.2:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:2.6.38:rc8:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:2.6.38.3:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:2.6.38.4:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:2.6.38.5:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:2.6.38.6:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:2.6.38:rc2:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:2.6.38:rc4:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:2.6.38:rc6:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:2.6.38.7:*:*:*:*:*:*:*
Threat overview for CVE-2011-2493
Top countries where our scanners detected CVE-2011-2493
Top open port discovered on systems with this issue
49152
IPs affected by CVE-2011-2493 3,760
Threat actors abusing to this issue?
Yes
Find out if you* are
affected by CVE-2011-2493!
*Directly or indirectly through your vendors, service providers and 3rd parties.
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attack surface intelligence
from SecurityScorecard.
Exploit prediction scoring system (EPSS) score for CVE-2011-2493
0.04%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 6 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2011-2493
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
2.1
|
LOW | AV:L/AC:L/Au:N/C:N/I:N/A:P |
3.9
|
2.9
|
NIST |
References for CVE-2011-2493
-
http://www.openwall.com/lists/oss-security/2011/06/24/4
oss-security - Re: CVE request: kernel: ext4: init timer earlier to avoid a kernel panic in __save_error_info
-
http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39
404 Not Found
-
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=0449641130f5652b344ef6fa39fa019d7e94660a
-
https://github.com/torvalds/linux/commit/0449641130f5652b344ef6fa39fa019d7e94660a
ext4: init timer earlier to avoid a kernel panic in __save_error_info · torvalds/linux@0449641 · GitHubExploit;Patch
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