CVE-2012-0810
The int3 handler in the Linux kernel before 3.3 relies on a per-CPU debug stack, which allows...
The int3 handler in the Linux kernel before 3.3 relies on a per-CPU debug stack, which allows local users to cause a denial of service (stack corruption and panic) via a crafted application that triggers certain lock contention.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
The int3 handler in the Linux kernel before 3.3 relies on a per-CPU debug stack, which allows local users to cause a denial of service (stack corruption and panic) via a crafted application that triggers certain lock contention.
- Record
CVE-2012-0810- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - CVSS 2.0
- 4.9 Medium
AV:L/AC:L/Au:N/C:N/I:N/A:C - Weakness
- CWE-400
- Updated
- 2026-11-02
CVE List No score
The int3 handler in the Linux kernel before 3.3 relies on a per-CPU debug stack, which allows local users to cause a denial of service (stack corruption and panic) via a crafted application that triggers certain lock contention.
- Record
CVE-2012-0810- Updated
- 2026-11-02
EUVDEUVD-2012-0837 No score
The int3 handler in the Linux kernel before 3.3 relies on a per-CPU debug stack, which allows local users to cause a denial of service (stack corruption and panic) via a crafted application that triggers certain lock contention.
- Record
EUVD-2012-0837- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-xgx6-xwch-wmqq No score
The int3 handler in the Linux kernel before 3.3 relies on a per-CPU debug stack, which allows...
The int3 handler in the Linux kernel before 3.3 relies on a per-CPU debug stack, which allows local users to cause a denial of service (stack corruption and panic) via a crafted application that triggers certain lock contention.
- Record
GHSA-xgx6-xwch-wmqq- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
kernel-rtRed Hat:enterprise_mrg:2:server:el6 From an advisory covering 11 CVEs |
before 0:3.0.18-rt34.53.el6rt | 0:3.0.18-rt34.53.el6rt |
kernel-rt-debugRed Hat:enterprise_mrg:2:server:el6 From an advisory covering 11 CVEs |
before 0:3.0.18-rt34.53.el6rt | 0:3.0.18-rt34.53.el6rt |
kernel-rt-debug-debuginfoRed Hat:enterprise_mrg:2:server:el6 From an advisory covering 11 CVEs |
before 0:3.0.18-rt34.53.el6rt | 0:3.0.18-rt34.53.el6rt |
kernel-rt-debug-develRed Hat:enterprise_mrg:2:server:el6 From an advisory covering 11 CVEs |
before 0:3.0.18-rt34.53.el6rt | 0:3.0.18-rt34.53.el6rt |
kernel-rt-debuginfoRed Hat:enterprise_mrg:2:server:el6 From an advisory covering 11 CVEs |
before 0:3.0.18-rt34.53.el6rt | 0:3.0.18-rt34.53.el6rt |
kernel-rt-debuginfo-common-x86_64Red Hat:enterprise_mrg:2:server:el6 From an advisory covering 11 CVEs |
before 0:3.0.18-rt34.53.el6rt | 0:3.0.18-rt34.53.el6rt |
kernel-rt-develRed Hat:enterprise_mrg:2:server:el6 From an advisory covering 11 CVEs |
before 0:3.0.18-rt34.53.el6rt | 0:3.0.18-rt34.53.el6rt |
kernel-rt-docRed Hat:enterprise_mrg:2:server:el6 From an advisory covering 11 CVEs |
before 0:3.0.18-rt34.53.el6rt | 0:3.0.18-rt34.53.el6rt |
kernel-rt-firmwareRed Hat:enterprise_mrg:2:server:el6 From an advisory covering 11 CVEs |
before 0:3.0.18-rt34.53.el6rt | 0:3.0.18-rt34.53.el6rt |
kernel-rt-traceRed Hat:enterprise_mrg:2:server:el6 From an advisory covering 11 CVEs |
before 0:3.0.18-rt34.53.el6rt | 0:3.0.18-rt34.53.el6rt |
Show 5 moreShow less
| Package | Affected | Fixed |
|---|---|---|
kernel-rt-trace-debuginfoRed Hat:enterprise_mrg:2:server:el6 From an advisory covering 11 CVEs |
before 0:3.0.18-rt34.53.el6rt | 0:3.0.18-rt34.53.el6rt |
kernel-rt-trace-develRed Hat:enterprise_mrg:2:server:el6 From an advisory covering 11 CVEs |
before 0:3.0.18-rt34.53.el6rt | 0:3.0.18-rt34.53.el6rt |
kernel-rt-vanillaRed Hat:enterprise_mrg:2:server:el6 From an advisory covering 11 CVEs |
before 0:3.0.18-rt34.53.el6rt | 0:3.0.18-rt34.53.el6rt |
kernel-rt-vanilla-debuginfoRed Hat:enterprise_mrg:2:server:el6 From an advisory covering 11 CVEs |
before 0:3.0.18-rt34.53.el6rt | 0:3.0.18-rt34.53.el6rt |
kernel-rt-vanilla-develRed Hat:enterprise_mrg:2:server:el6 From an advisory covering 11 CVEs |
before 0:3.0.18-rt34.53.el6rt | 0:3.0.18-rt34.53.el6rt |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2012-0810 is a medium vulnerability (CVSS 5.5) in Linux Kernel, published February 12, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.38%, the 32nd percentile. No source names a fixed version.
References
bugzilla.redhat.com/show_bug.cgi?id=794557
git.kernel.org/pub/scm/linux/kernel/git/rt/linux-stable-rt.git/commit?id=e5d4e1c3ccee18c68f23d62ba77bda26e893d4f0
nvd.nist.gov/vuln/detail/CVE-2012-0810
github.com/advisories/GHSA-xgx6-xwch-wmqq
access.redhat.com/errata/RHSA-2012:0333
Show 46 moreShow less
security.access.redhat.com/data/csaf/v2/advisories/2012/rhsa-2012_0333.json
cve.org/CVERecord?id=CVE-2011-2918