CVE-2010-4248
What it is
Race condition in the __exit_signal function in kernel/exit.c in the Linux kernel before 2.6.37-rc2 allows local users to cause a denial of service via vectors related to multithreaded exec, the use of a thread group leader in kernel/posix-cpu-timers.c, and the selection of a new thread group leader in the de_thread function in fs/exec.c.
At a glance
- Exploitability
- Can be exploited locally on the machine without logging in. High risk of service disruption.
- Exploit odds
- 0.3% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 0.3% in the next 30 days (EPSS).
- Severity: 4.9 MEDIUM (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 0.3% · EPSS, next 30 days
- Weakness
- CWE-362 · Race condition
- Record status
- Modified
Affected
- Linux Kernel < 2.6.37
- Linux Kernel 2.6.37
Attack profile CVSS 2.0 · 4.9
- Attack vector
- Local
- Complexity
- Low
- Authentication
- None
- Confidentiality
- None
- Integrity
- None
- Availability
- Complete
Raw vector
AV:L/AC:L/Au:N/C:N/I:N/A:C
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2010-4248.md and follow it. Check whether this project is affected by CVE-2010-4248. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- http://www.openwall.com/lists/oss-security/2010/11/23/2
- http://www.openwall.com/lists/oss-security/2010/11/24/9
- https://bugzilla.redhat.com/show_bug.cgi?id=656264
- http://www.openwall.com/lists/oss-security/2010/11/23/2
- http://www.openwall.com/lists/oss-security/2010/11/24/9
- https://bugzilla.redhat.com/show_bug.cgi?id=656264
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=e0a70217107e6f9844628120412cb27bb4cea194
- http://secunia.com/advisories/42789
- http://secunia.com/advisories/42890
- http://secunia.com/advisories/46397
- http://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.37-rc2
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:029
- http://www.openwall.com/lists/oss-security/2010/11/23/2
- http://www.openwall.com/lists/oss-security/2010/11/24/9
- http://www.redhat.com/support/errata/RHSA-2011-0004.html
- http://www.redhat.com/support/errata/RHSA-2011-0007.html
- http://www.securityfocus.com/archive/1/520102/100/0/threaded
- http://www.securityfocus.com/bid/45028
- http://www.vmware.com/security/advisories/VMSA-2011-0012.html
- http://www.vupen.com/english/advisories/2011/0024
- https://bugzilla.redhat.com/show_bug.cgi?id=656264
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=e0a70217107e6f9844628120412cb27bb4cea194
- http://secunia.com/advisories/42789
- http://secunia.com/advisories/42890
- http://secunia.com/advisories/46397
- http://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.37-rc2
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:029
- http://www.openwall.com/lists/oss-security/2010/11/23/2
- http://www.openwall.com/lists/oss-security/2010/11/24/9
- http://www.redhat.com/support/errata/RHSA-2011-0004.html
- http://www.redhat.com/support/errata/RHSA-2011-0007.html