6.9

CVE-2014-0038: linux linux_kernel Improper Input Validation

Modified
AliasesMGASA-2014-0039MGASA-2014-0046MGASA-2014-0061
Published 06-02-2014Last modified 06-08-2024

Vulnerability summary

CVE-2014-0038 is a medium (CVSS 6.9) Improper Input Validation vulnerability in linux linux_kernel. EPSS estimates a 35.45% chance of exploitation in the next 30 days, higher than 98.4% of scored vulnerabilities. 7 public exploits are recorded.

Priority
Prioritiseweaponized exploit

Weaponized exploit (exploit-database, 11-10-2016)

Source freshness unavailable

How is this decided?
CVSS score
6.9/10
010
Medium · v2.0 (NVD)
EPSS score
35.45%
0%100%
High · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits7github, reference, exploit-database, metasploit

Advisory lineage

Upstream 0 · Downstream 9 · Related 3
MGASA-2014-0038MGASA-2014-0043MGASA-2014-0044MGASA-2014-0045MGASA-2014-0055MGASA-2014-0064

Timeline

  1. 06-02-2014
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last modifiedVulnerability information updated.

Description

The compat_sys_recvmmsg function in net/compat.c in the Linux kernel before 3.13.2, when CONFIG_X86_X32 is enabled, allows local users to gain privileges via a recvmmsg system call with a crafted timeout pointer parameter.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

35.45%

Chance of exploitation in the next 30 days

Percentile

98%

Versus all other CVEs

30-day change

No change 0.00 pp

From 35.45% 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

7 found
  • githubUnverified

    Linux

    Maturity: poc

  • referenceUnverified

    Exploit Reference (pastebin.com)

    Maturity: unknown

  • exploit-databasedoslinuxUnverified

    Linux Kernel 3.4 < 3.13.2 - recvmmsg x32 compat (PoC)

    Maturity: poc

Show all 7 exploits
  • exploit-databaselocallinuxVerified

    Linux Kernel 3.13.1 - 'Recvmmsg' Local Privilege Escalation (Metasploit)

    Maturity: weaponized

  • exploit-databaselocallinuxVerified

    Linux Kernel 3.4 < 3.13.2 (Ubuntu 13.10) - 'CONFIG_X86_X32' Arbitrary Write (2)

    Maturity: weaponized

  • exploit-databaselocallinux_x86-64Verified

    Linux Kernel 3.4 < 3.13.2 (Ubuntu 13.04/13.10 x64) - 'CONFIG_X86_X32=y' Local Privilege Escalation (3)

    Maturity: weaponized

  • MetasploitMetasploitremoteVerified

    Linux Kernel recvmmsg Privilege Escalation

    exploit/linux/local/recvmmsg_priv_esc

    Maturity: weaponized

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: local access, no authentication (CVSS vector). Other conditions: not stated in public data.

Mageia13 products
  • kernel< 3.12.9-1.mga4
  • kernel-linus< 3.12.9-1.mga4
  • kernel-rt< 3.12.9-0.rt13.1.mga4
  • kernel-tmb< 3.12.9-1.mga4
  • kernel-userspace-headers< 3.12.9-1.mga4
Debian1 product
  • linux< 3.13.4-1
Linux1 product
  • linux_kernel≥ 3.4, < 3.4.79 | ≥ 3.5, < 3.10.29 | ≥ 3.11, < 3.12.10 | ≥ 3.13, < 3.13.2
Opensuse1 product

4 vendors · 16 products

References

30 links
Show all 30 references