CVE-2015-6526: linux linux_kernel Resource Management Errors
Vulnerability summary
CVE-2015-6526 is a medium (CVSS 4.9) Resource Management Errors vulnerability in linux linux_kernel. EPSS estimates a 0.39% chance of exploitation in the next 30 days, higher than 33.5% of scored vulnerabilities.
Not severe (CVSS 4.9, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 1Timeline
- 31-08-2015PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
Description
The perf_callchain_user_64 function in arch/powerpc/perf/callchain.c in the Linux kernel before 4.0.2 on ppc64 platforms allows local users to cause a denial of service (infinite loop) via a deep 64-bit userspace backtrace.
CVSS metrics
1 score · 1 source · 1 versionEPSS trend
Probability
0.39%
Chance of exploitation in the next 30 days
Percentile
34%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.39% 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 causeAffected systems
Known conditions: local access, no authentication (CVSS vector). Other conditions: not stated in public data.
Ubuntu19 products
- linux< 3.13.0-49.83
- linux-azureAll versions (No fix recorded)
- linux-azure-6.11All versions (No fix recorded)
- linux-azure-fdeAll versions (No fix recorded)
- linux-azure-fde-5.15All versions (No fix recorded)
Debian1 product
- linux< 4.1.3-1
Linux1 product
- linux_kernel≤ 4.0.1
3 vendors · 21 products
References
15 links- github.com/torvalds/linux/commit/9a5cbce421a283e6aea3c4007f141735bf9da8c3X Refsource CONFIRM
- www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.htmlX Refsource CONFIRM
- bugzilla.redhat.com/show_bug.cgi?id=1218454X Refsource CONFIRM
- git.kernel.org/cgit/…X Refsource CONFIRM
- www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.0.2X Refsource CONFIRM