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Fencer Intel
medium 4.9

CVE-2015-1333 json

Memory leak in the __key_link_end function in security/keys/keyring.c in the Linux kernel before 4.1.4 allows local users to cause a denial…

published 2015-08-31 11 y ago modified 2026-06-17 4 mo ago also EUVD-2015-1473

cvss
4.9
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.5%
EPSS 0.5% chance of exploitation in 30 days, percentile 41%
public exploits
0
none known

Summary

Memory leak in the __key_link_end function in security/keys/keyring.c in the Linux kernel before 4.1.4 allows local users to cause a denial of service (memory consumption) via many add_key system calls that refer to existing keys.

Patch / fix

  • linux Debian 14, Debian 13, Debian 12 4.1.3-1

debian advisories DEBIAN-CVE-2015-1333

  • linux Ubuntu 14.04 LTS 3.13.0-59.98
  • linux-lts-vivid Ubuntu 14.04 LTS 3.19.0-25.26~14.04.1
  • linux-lts-utopic Ubuntu 14.04 LTS 3.16.0-45.60~14.04.1

ubuntu advisories UBUNTU-CVE-2015-1333

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • kernel-rt RHEL 7 EXTRAS_RT 3.10.0-229.14.1.rt56.141.13.el7_1
  • kernel-rt-trace RHEL 7 EXTRAS_RT 3.10.0-229.14.1.rt56.141.13.el7_1
  • kernel-rt-debuginfo-common-x86_64 RHEL 7 EXTRAS_RT 3.10.0-229.14.1.rt56.141.13.el7_1
  • kernel-rt enterprise mrg 2 1:3.10.0-229.rt56.161.el6rt
  • kernel-rt-trace enterprise mrg 2 1:3.10.0-229.rt56.161.el6rt
  • kernel-rt-vanilla enterprise mrg 2 1:3.10.0-229.rt56.161.el6rt
  • kernel-rt-firmware enterprise mrg 2 1:3.10.0-229.rt56.161.el6rt
  • kernel-rt-debuginfo-common-x86_64 enterprise mrg 2 1:3.10.0-229.rt56.161.el6rt

red hat advisories RHSA-2015:1788RHSA-2015:1787RHSA-2015:1778

  • kernel-source openSUSE Tumbleweed 4.8.13-1.1

opensuse advisories openSUSE-SU-2024:10128-1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2015-1333 updated cvss 4.9

kernel: denial of service due to memory leak in add_key()

  • Red Hat Enterprise Linux Client (v. 7) perf 3.10.0-229.14.1.el7, kernel 3.10.0-229.14.1.el7, kernel-tools 3.10.0-229.14.1.el7, kernel-tools-libs 3.10.0-229.14.1.el7, kernel-abi-whitelists 3.10.0-229.14.1.el7, kernel-debuginfo-common-x86_64 3.10.0-229.14.1.el7 Red Hat Enterprise Linux Client Optional (v. 7) python-perf 3.10.0-229.14.1.el7, kernel-debuginfo-common-x86_64 3.10.0-229.14.1.el7 Red Hat Enterprise Linux ComputeNode (v. 7) perf 3.10.0-229.14.1.el7, kernel 3.10.0-229.14.1.el7, kernel-tools 3.10.0-229.14.1.el7, kernel-tools-libs 3.10.0-229.14.1.el7, kernel-abi-whitelists 3.10.0-229.14.1.el7, kernel-debuginfo-common-x86_64 3.10.0-229.14.1.el7 Red Hat Enterprise Linux ComputeNode Optional (v. 7) python-perf 3.10.0-229.14.1.el7, kernel-debuginfo-common-x86_64 3.10.0-229.14.1.el7
    fixed: vendor fix RHSA-2015:1778
  • Red Hat Enterprise Linux Realtime (v. 7) kernel-rt 3.10.0-229.14.1.rt56.141.13.el7_1, kernel-rt-trace 3.10.0-229.14.1.rt56.141.13.el7_1, kernel-rt-debuginfo-common-x86_64 3.10.0-229.14.1.rt56.141.13.el7_1
    fixed: vendor fix RHSA-2015:1788
  • Red Hat Enterprise Linux Server (v. 7) perf 3.10.0-229.14.1.el7, kernel 3.10.0-229.14.1.el7, perf 3.10.0-229.14.1.ael7b, kernel 3.10.0-229.14.1.ael7b, kernel-kdump 3.10.0-229.14.1.el7, kernel-tools 3.10.0-229.14.1.el7, +11 more Red Hat Enterprise Linux Server Optional (v. 7) python-perf 3.10.0-229.14.1.el7, python-perf 3.10.0-229.14.1.ael7b, kernel-debuginfo-common-ppc64 3.10.0-229.14.1.el7, kernel-debuginfo-common-s390x 3.10.0-229.14.1.el7, kernel-debuginfo-common-x86_64 3.10.0-229.14.1.el7, kernel-debuginfo-common-ppc64le 3.10.0-229.14.1.ael7b Red Hat Enterprise Linux Workstation (v. 7) perf 3.10.0-229.14.1.el7, kernel 3.10.0-229.14.1.el7, kernel-tools 3.10.0-229.14.1.el7, kernel-tools-libs 3.10.0-229.14.1.el7, kernel-abi-whitelists 3.10.0-229.14.1.el7, kernel-debuginfo-common-x86_64 3.10.0-229.14.1.el7 Red Hat Enterprise Linux Workstation Optional (v. 7) python-perf 3.10.0-229.14.1.el7, kernel-debuginfo-common-x86_64 3.10.0-229.14.1.el7
    fixed: vendor fix RHSA-2015:1778
  • Red Hat MRG Realtime for RHEL 6 Server v.2 kernel-rt 3.10.0-229.rt56.161.el6rt, kernel-rt-trace 3.10.0-229.rt56.161.el6rt, kernel-rt-vanilla 3.10.0-229.rt56.161.el6rt, kernel-rt-firmware 3.10.0-229.rt56.161.el6rt, kernel-rt-debuginfo-common-x86_64 3.10.0-229.rt56.161.el6rt
    fixed: vendor fix RHSA-2015:1787
  • Red Hat Enterprise Linux 5 kernel Red Hat Enterprise Linux 6 perf, kernel, python-perf, kernel-kdump, kernel-firmware, kernel-bootwrapper, +1 more
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

0.48% chance of exploitation in the next 30 days, higher than 41% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 2.0 4.9 AV:L/AC:L/Au:N/C:N/I:N/A:C

Classification

Weakness
  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
Technology feeds

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.