6.5

CVE-2015-5327: linux linux_kernel Out-of-bounds Read

Modified
AliasesUBUNTU-CVE-2015-5327
Published 25-09-2017Last modified 06-08-2024

Vulnerability summary

CVE-2015-5327 is a medium (CVSS 6.5) Out-of-bounds Read vulnerability in linux linux_kernel. EPSS estimates a 1.63% chance of exploitation in the next 30 days, higher than 76.2% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 6.5, network access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
6.5/10
010
Medium · v3.0 (NVD)
EPSS score
1.63%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 3
MGASA-2016-0225MGASA-2016-0232MGASA-2016-0233

Timeline

  1. 25-09-2017
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last modifiedVulnerability information updated.

Description

Out-of-bounds memory read in the x509_decode_time function in x509_cert_parser.c in Linux kernels 4.3-rc1 and after.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

1.63%

Chance of exploitation in the next 30 days

Percentile

76%

Versus all other CVEs

30-day change

No change 0.00 pp

From 1.63% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: network-reachable, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.

Ubuntu7 products
  • linux< 4.3.0-1.10
  • linux-aws< 4.4.0-1002.2 | < 4.4.0-1001.10
  • linux-gke< 4.4.0-1003.3
  • linux-hwe< 4.8.0-36.36~16.04.1
  • linux-lts-xenial< 4.4.0-13.29~14.04.1
Linux1 product
  • linux_kernel4.3 | 4.3:rc1 | 4.3:rc2 | 4.3:rc3 | 4.3:rc4 | 4.3:rc5 | 4.3:rc6 | 4.3:rc7

2 vendors · 8 products

References

6 links