622 : BSD kern_sig.c sigvec() Crafted Address Local DoS
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Timeline

Disclosure Date
1986-05-13

Description

BSD contains a flaw that may allow a local denial of service. The issue is triggered when addresses passed to sigvec() (as in user level signal() handler addreses) are not properly validated by the kernel before being used, resulting in a loss of availability for the platform.

Classification

Location: Local Access Required
Impact: Loss of Availability

Solution

Currently, there are no known workarounds or upgrades to correct this issue. However, Doug Hosking has released an unofficial patch to address this vulnerability.

Products

BSDI
BSD
4.2

References

Credit

  • Doug Hosking -

CVSSv2 Score

NVD does not currently have a CVSSv2 score assigned.

Comments

No Comments.

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