2.1

CVE-2014-3640: canonical ubuntu_linux NULL Pointer Dereference

Modified
AliasesUBUNTU-CVE-2014-3640DEBIAN-CVE-2014-3640
Published 07-11-2014Last modified 06-08-2024

Vulnerability summary

CVE-2014-3640 is a low (CVSS 2.1) NULL Pointer Dereference vulnerability in canonical ubuntu_linux. EPSS estimates a 0.40% chance of exploitation in the next 30 days, higher than 34.7% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 2.1, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
2.1/10
010
Low · v2.0 (NVD)
EPSS score
0.40%
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 12 · Related 7
DSA-3044-1DSA-3045-1MGASA-2014-0426OPENSUSE-SU-2024:10196-1RHSA-2015:0349RHSA-2015:0624

Timeline

  1. 07-11-2014
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last modifiedVulnerability information updated.

Description

The sosendto function in slirp/udp.c in QEMU before 2.1.2 allows local users to cause a denial of service (NULL pointer dereference) by sending a udp packet with a value of 0 in the source port and address, which triggers access of an uninitialized socket.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

0.40%

Chance of exploitation in the next 30 days

Percentile

35%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.40% 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: local access, no authentication (CVSS vector). Other conditions: not stated in public data.

Redhat4 products
Debian2 products
Canonical1 product
Qemu1 product
  • qemu2.0.0 | 2.0.0:rc0 | 2.0.0:rc1 | 2.0.0:rc2 | 2.0.0:rc3 | 2.0.2 | 2.1.0 | 2.1.0:rc0 | 2.1.0:rc1 | 2.1.0:rc2 | 2.1.0:rc3 | 2.1.0:rc5 | 2.1.1
Ubuntu1 product
  • qemu< 2.0.0+dfsg-2ubuntu1.7

5 vendors · 9 products

References

13 links
Show all 13 references