NULL pointer dereference in Linux Kernel
CVE-2012-1097
The regset (aka register set) feature in the Linux kernel before 3.2.10 does not properly handle the absence of .get and .set methods, which allows local users to cause a denial of service (NULL pointer dereference) or possibly have unspecified other impact via a (1) PTRACE_GETREGSET or (2) PTRACE_SETREGSET ptrace call.
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 (27.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 27th percentile — 27.2% 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
- Red Hat Enterprise Linux — versions 4.0
- Red Hat Enterprise Mrg — versions 2.0
- SUSE Linux Enterprise Desktop — versions 11
- SUSE Linux Enterprise High Availability Extension — versions 11
- SUSE Linux Enterprise Server — versions 11
Weakness classification (CWE)
References
- rhn.redhat.com/errata/RHSA-2012-0531.html (vendor-advisory, Third Party Advisory)
- lists.opensuse.org/opensuse-security-announce/2012-04/msg00021.html (vendor-advisory, Mailing List, Third Party Advisory)
- secunia.com/advisories/48898 (Broken Link, third-party-advisory)
- bugzilla.redhat.com/show_bug.cgi (Patch, Third Party Advisory, Issue Tracking)
- rhn.redhat.com/errata/RHSA-2012-0481.html (vendor-advisory, Third Party Advisory)
- www.openwall.com/lists/oss-security/2012/03/05/1 (mailing-list, Patch, Mailing List, Third Party Advisory)
- www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.2.10 (Patch, Mailing List, Vendor Advisory)
- secunia.com/advisories/48964 (Broken Link, third-party-advisory)
- github.com/torvalds/linux/commit/c8e252586f8d5de906385d8cf6385fee289a825e (Patch, Third Party Advisory)
- lists.opensuse.org/opensuse-security-announce/2012-05/msg00013.html (vendor-advisory, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2012-1097?
- CVE-2012-1097 is a high-severity vulnerability in Linux Kernel, classified under NULL Pointer Dereference. CVSS score: 7.8/10. Published 2012-05-17.
- How severe is CVE-2012-1097?
- High severity. CVSS v3 base score is 7.8 out of 10.