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ubuntucveUbuntu.comUB:CVE-2011-4086
HistoryFeb 09, 2012 - 12:00 a.m.

CVE-2011-4086

2012-02-0900:00:00
ubuntu.com
ubuntu.com
29

CVSS2

4.9

Attack Vector

LOCAL

Attack 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

EPSS

0

Percentile

5.1%

JSON

The journal_unmap_buffer function in fs/jbd2/transaction.c in the Linux
kernel before 3.3.1 does not properly handle the _Delay and _Unwritten
buffer head states, which allows local users to cause a denial of service
(system crash) by leveraging the presence of an ext4 filesystem that was
mounted with a journal.

Bugs

Notes

Author Note
apw This is sitting in Ted Ts’o’s dev tree presumably waiting on the 3.4 merge window, the issue is masked from v3.2 onwards by other commits. The commit itself is marked for stable and for now I suspect we should wait for it. We have no stable commit id as yet, see: jbd2: clear BH_Delay & BH_Unwritten in journal_unmap_buffer this has now appeared upstream (see below)

Related

nessus 30
ubuntu 9
openvas 72
cvelist 1
prion 1
nvd 1
cve 1
oraclelinux 6
amazon 1
veracode 2
redhat 4
centos 2
osv 1
debian 1
securityvulns 1
fedora 21
suse 3
nessus
nessus
Ubuntu 8.04 LTS : linux vulnerability (USN-1454-1)
2012-05-29 00:00:00
Amazon Linux AMI : kernel (ALAS-2012-45)
2013-09-04 00:00:00
Fedora 16 : kernel-3.2.5-3.fc16 (2012-1497)
2012-02-13 00:00:00
ubuntu
ubuntu
Linux kernel vulnerability
2012-05-25 00:00:00
Linux kernel vulnerabilities
2012-05-18 00:00:00
Linux kernel (EC2) vulnerabilities
2012-05-25 00:00:00
openvas
openvas
Ubuntu Update for linux USN-1454-1
2012-05-28 00:00:00
Oracle: Security Advisory (ELSA-2012-2014)
2015-10-06 00:00:00
Amazon Linux: Security Advisory (ALAS-2012-45)
2015-09-08 00:00:00
cvelist
cvelist
CVE-2011-4086
2012-07-03 16:00:00
prion
prion
Design/Logic Flaw
2012-07-03 16:40:00
nvd
nvd
CVE-2011-4086
2012-07-03 16:40:31
cve
cve
CVE-2011-4086
2012-07-03 16:40:31
oraclelinux
oraclelinux
Unbreakable Enterprise kernel security update
2012-05-16 00:00:00
kernel security and bug fix update
2012-05-15 00:00:00
Unbreakable Enterprise kernel security update
2012-05-16 00:00:00
amazon
amazon
Medium: kernel
2012-02-15 17:38:00
veracode
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Denial Of Service (DoS)
2019-01-15 08:51:18
Privilege Escalation
2019-05-02 04:41:13
redhat
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(RHSA-2012:0571) Moderate: kernel security and bug fix update
2012-05-15 00:00:00
(RHSA-2012:0670) Important: kernel-rt security and bug fix update
2012-05-15 00:00:00
(RHSA-2012:0107) Important: kernel security and bug fix update
2012-02-09 00:00:00
centos
centos
kernel, perf, python security update
2012-05-16 09:19:09
kernel security update
2012-02-09 21:30:36
osv
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linux-2.6 - several
2012-05-10 00:00:00
debian
debian
[SECURITY] [DSA 2469-1] linux-2.6 security update
2012-05-10 15:48:18
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securityvulns
[SECURITY] [DSA 2469-1] linux-2.6 security update
2012-05-14 00:00:00
fedora
fedora
[SECURITY] Fedora 16 Update: kernel-3.2.5-3.fc16
2012-02-10 22:00:18
[SECURITY] Fedora 16 Update: kernel-3.2.9-1.fc16
2012-03-06 19:30:15
[SECURITY] Fedora 16 Update: kernel-3.2.9-2.fc16
2012-03-10 21:50:48
suse
suse
Security update for Linux kernel (important)
2012-05-14 16:08:28
Security update for Linux kernel (important)
2012-04-23 22:08:26
kernel update for SLE11 SP2 (important)
2012-04-26 20:08:43

CVSS2

4.9

Attack Vector

LOCAL

Attack 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

EPSS

0

Percentile

5.1%

JSON
Related for UB:CVE-2011-4086
nessus30ubuntu9openvas72cvelist1prion1nvd1cve1oraclelinux6amazon1veracode2redhat4centos2osv1debian1securityvulns1fedora21suse3