CVE-2014-8173: linux linux_kernel
Vulnerability summary
CVE-2014-8173 is a high (CVSS 7.2) vulnerability in linux linux_kernel. EPSS estimates a 0.40% chance of exploitation in the next 30 days, higher than 34.7% of scored vulnerabilities.
Not severe (CVSS 7.2, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 2Timeline
- 16-03-2015PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
Description
The pmd_none_or_trans_huge_or_clear_bad function in include/asm-generic/pgtable.h in the Linux kernel before 3.13 on NUMA systems does not properly determine whether a Page Middle Directory (PMD) entry is a transparent huge-table entry, which allows local users to cause a denial of service (NULL pointer dereference and system crash) or possibly have unspecified other impact via a crafted MADV_WILLNEED madvise system call that leverages the absence of a page-table lock.
CVSS metrics
1 score · 1 source · 1 versionEPSS trend
Probability
0.40%
Chance of exploitation in the next 30 days
Percentile
35%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.40% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Known conditions: local access, no authentication (CVSS vector). Other conditions: not stated in public data.
Ubuntu3 products
- linux< 3.13.0-1.16
- linux-lts-utopic< 3.16.0-25.33~14.04.2
- linux-lts-vivid< 3.19.0-18.18~14.04.1
Debian1 product
- linux< 3.13.4-1
Linux1 product
- linux_kernel≥ 3.9, < 3.10.76 | ≥ 3.11, < 3.12.43
3 vendors · 5 products
References
11 links- rhn.redhat.com/errata/RHSA-2015-0290.htmlVendor AdvisoryX Refsource REDHATThird Party AdvisoryVDB Entry
- lists.opensuse.org/opensuse-security-announce/2015-04/msg00009.htmlVendor AdvisoryX Refsource SUSEThird Party Advisory
- github.com/torvalds/linux/commit/ee53664bda169f519ce3c6a22d378f0b946c8178X Refsource CONFIRMThird Party Advisory
- git.kernel.org/cgit/…REPORT