CVE-2010-3079

MEDIUM
5.5
CVSS Score
Published: September 30, 2010 at 02:00 PM UTC
Updated: June 16, 2026 at 11:22 PM UTC
5 products affected across 3 vendorsLinux KernelUbuntu LinuxLinux Enterprise Server

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.4%

Description

kernel/trace/ftrace.c in the Linux kernel before 2.6.35.5, when debugfs is enabled, does not properly handle interaction between mutex possession and llseek operations, which allows local users to cause a denial of service (NULL pointer dereference and outage of all function tracing files) via an lseek call on a file descriptor associated with the set_ftrace_filter file.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 2.6.35.5
Affected range stops below 2.6.35.5, so it looks safe — our inference, not a vendor statement

References (11)

Vendor Advisoryx_refsource_SUSEMailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2010-10/msg00003.html
Vendor Advisoryx_refsource_SUSEMailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2011-02/msg00000.html
Third Party Advisoryx_refsource_SECUNIABroken Link
http://secunia.com/advisories/42758
Vendor Advisoryx_refsource_REDHATBroken Link
http://www.redhat.com/support/errata/RHSA-2010-0842.html
VDB Entryx_refsource_BIDThird Party Advisory
http://www.securityfocus.com/bid/43684
Vendor Advisoryx_refsource_UBUNTUThird Party Advisory
http://www.ubuntu.com/usn/USN-1041-1

CVSS

Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-476

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