Vulnerability Monitor

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CVE-2011-1927

The ip_expire function in net/ipv4/ip_fragment.c in the Linux kernel before 2.6.39 does not properly construct ICMP_TIME_EXCEEDED packets after a timeout, which allows remote attackers to cause a denial of service (invalid pointer dereference) via crafted fragmented packets.

Published

2012-06-13T10:24:54.343

Last Modified

2025-04-11T00:51:21.963

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 5.0 (MEDIUM)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

  • Access Vector: NETWORK
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: NONE
  • Integrity Impact: NONE
  • Availability Impact: PARTIAL
Exploitability Score

10.0

Impact Score

2.9

Weaknesses
  • Type: Primary
    NVD-CWE-Other
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System linux linux_kernel ≤ 2.6.38.8 Yes
Operating System linux linux_kernel 2.6.38 Yes
Operating System linux linux_kernel 2.6.38 Yes
Operating System linux linux_kernel 2.6.38 Yes
Operating System linux linux_kernel 2.6.38 Yes
Operating System linux linux_kernel 2.6.38 Yes
Operating System linux linux_kernel 2.6.38 Yes
Operating System linux linux_kernel 2.6.38 Yes
Operating System linux linux_kernel 2.6.38 Yes
Operating System linux linux_kernel 2.6.38 Yes
Operating System linux linux_kernel 2.6.38.1 Yes
Operating System linux linux_kernel 2.6.38.2 Yes
Operating System linux linux_kernel 2.6.38.3 Yes
Operating System linux linux_kernel 2.6.38.4 Yes
Operating System linux linux_kernel 2.6.38.5 Yes
Operating System linux linux_kernel 2.6.38.6 Yes
Operating System linux linux_kernel 2.6.38.7 Yes
References