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CVE-2015-8844
The signal implementation in the Linux kernel before 4.3.5 on powerpc platforms does not check for an MSR with both the S and T bits set,…
Medium5.5EPSS 0.39%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
The signal implementation in the Linux kernel before 4.3.5 on powerpc platforms does not check for an MSR with both the S and T bits set, which allows local users to cause a denial of service (TM Bad Thing exception and panic) via a crafted application.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.0 | Medium5.5 | CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 0.39% · top 67% of all CVEs (4 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.5.
Weakness
Affected products
n/a
- affected n/a
References (8)
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.3.5 (opens in a new tab)x_refsource_CONFIRMx_transferred
- [oss-security] 20160413 CVE Request: Linux kernel: incorrect restoration of machine specific registers from signal handler. (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- RHSA-2016:2584 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=d2b9d2a5ad5ef04ff978c9923d19730cb05efd55 (opens in a new tab)x_refsource_CONFIRMx_transferred
- RHSA-2016:2574 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- 1035594 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- https://github.com/torvalds/linux/commit/d2b9d2a5ad5ef04ff978c9923d19730cb05efd55 (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://bugzilla.redhat.com/show_bug.cgi?id=1326540 (opens in a new tab)x_refsource_CONFIRMx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
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[](https://trackcve.app/cve/CVE-2015-8844)Record last updated .