7.2

CVE-2013-1763: linux linux_kernel Improper Input Validation

Modified
AliasesUBUNTU-CVE-2013-1763
Published 28-02-2013Last modified 06-08-2024

Vulnerability summary

CVE-2013-1763 is a high (CVSS 7.2) Improper Input Validation vulnerability in linux linux_kernel. EPSS estimates a 4.06% chance of exploitation in the next 30 days, higher than 90.6% of scored vulnerabilities. 4 public exploits are recorded.

Priority
Prioritiseweaponized exploit

Weaponized exploit (exploit-database, 24-02-2013)

Source freshness unavailable

How is this decided?
CVSS score
7.2/10
010
High · v2.0 (NVD)
EPSS score
4.06%
0%100%
Low · -0.16 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits4exploit-database

Advisory lineage

Upstream 0 · Downstream 1
RHSA-2013:0622

Timeline

  1. 28-02-2013
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last modifiedVulnerability information updated.

Description

Array index error in the __sock_diag_rcv_msg function in net/core/sock_diag.c in the Linux kernel before 3.7.10 allows local users to gain privileges via a large family value in a Netlink message.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

4.06%

Chance of exploitation in the next 30 days

Percentile

91%

Versus all other CVEs

30-day change

Decrease -0.16 pp

From 4.21% on 05-10-2026

05-10-202604-11-2026

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

4 found
  • exploit-databaselocallinuxVerified

    Linux Kernel 3.3 < 3.8 (Ubuntu / Fedora 18) - 'sock_diag_handlers()' Local Privilege Escalation (3)

    Maturity: weaponized

  • exploit-databaselocallinux_x86-64Unverified

    Linux Kernel 3.3.x < 3.7.x (Arch Linux x86-64) - 'sock_diag_handlers[]' Local Privilege Escalation (1)

    Maturity: poc

  • exploit-databaselocallinux_x86-64Unverified

    Linux Kernel 3.7.10 (Ubuntu 12.10 x64) - 'sock_diag_handlers' Local Privilege Escalation (2)

    Maturity: poc

Show all 4 exploits
  • exploit-databaselocallinux_x86-64Unverified

    Linux Kernel < 3.5.0-23 (Ubuntu 12.04.2 x64) - 'SOCK_DIAG' SMEP Bypass Local Privilege Escalation

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Version check

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

Ubuntu14 products
  • linux< 3.11.0-12.19 | < 4.2.0-16.19
  • linux-aws< 4.4.0-1002.2 | < 4.4.0-1001.10
  • linux-flo< 3.4.0-1.3 | < 3.4.0-5.22
  • linux-gke< 4.4.0-1003.3
  • linux-goldfish< 3.4.0-4.27
Linux1 product
  • linux_kernel≥ 3.3, < 3.4.34 | ≥ 3.5, < 3.7.10 | ≥ 3.8, < 3.8.1

2 vendors · 15 products

References

22 links
Show all 22 references