High severity · published Feb 2, 2012
CVE-2011-2525
The qdisc_notify function in net/sched/sch_api.c in the Linux kernel before 2.6.35 does not prevent tc_fill_qdisc function calls referencing builtin (aka CQ_F_BUILTIN) Qdisc…
7.8
CVSS
0.5%
EPSS
No
On KEV
Description
The qdisc_notify function in net/sched/sch_api.c in the Linux kernel before 2.6.35 does not prevent tc_fill_qdisc function calls referencing builtin (aka CQ_F_BUILTIN) Qdisc structures, which allows local users to cause a denial of service (NULL pointer dereference and OOPS) or possibly have unspecified other impact via a crafted call.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 41% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
KE
Kernel · Linux
before 2.6.35 · source: NVD
EL
Enterprise Linux · Redhat
4.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2011-2525
CVE.org
https://www.cve.org/CVERecord?id=CVE-2011-2525
git.kernel.org
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=53b0f08042f04813cd1a7473dacd3edfacb28eb3
Broken Link
http://kerneltrap.org/mailarchive/linux-netdev/2010/5/21/6277805
Broken Link
http://mirror.anl.gov/pub/linux/kernel/v2.6/ChangeLog-2.6.35
Mailing List
http://openwall.com/lists/oss-security/2011/07/12/1
Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2011-1065.html
Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2011-1163.html
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