NULL pointer dereference in Linux Kernel
CVE-2009-2768
The load_flat_shared_library function in fs/binfmt_flat.c in the flat subsystem in the Linux kernel before 2.6.31-rc6 allows local users to cause a denial of service (NULL pointer dereference and system crash) or possibly have unspecified other impact by executing a shared flat binary, which triggers an access of an "uninitialized cred pointer."
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.004 (32.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 32nd percentile — 32.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- Linux Kernel — versions 2.6.31
Weakness classification (CWE)
References
- secunia.com/advisories/36278 (Broken Link, third-party-advisory)
- www.openwall.com/lists/oss-security/2009/08/13/1 (mailing-list, Patch, Mailing List, Third Party Advisory)
- lkml.org/lkml/2009/6/22/91 (mailing-list, Patch, Mailing List, Third Party Advisory)
- exchange.xforce.ibmcloud.com/vulnerabilities/52909 (VDB Entry, Third Party Advisory, vdb-entry)
- www.mandriva.com/security/advisories (vendor-advisory, Broken Link)
- thread.gmane.org/gmane.linux.hardware.blackfin.kernel.devel/1905 (Broken Link)
- www.securityfocus.com/bid/36037 (VDB Entry, Third Party Advisory, vdb-entry, Broken Link)
- www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.31-rc6 (Broken Link)
- www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.30.5 (Broken Link)
- git.kernel.org/ (Broken Link)
Frequently asked questions
- What is CVE-2009-2768?
- CVE-2009-2768 is a high-severity vulnerability in Linux Kernel, classified under NULL Pointer Dereference. CVSS score: 7.8/10. Published 2009-08-14.
- How severe is CVE-2009-2768?
- High severity. CVSS v3 base score is 7.8 out of 10.