vulnwire
7.8high

CVE-2009-2844

cfg80211 in net/wireless/scan.c in the Linux kernel 2.6.30-rc1 and other versions before 2.6.31-rc6 allows remote attackers to cause a deni…

Published 17 y ago · modified 4 mo ago · JSON

CVSS
7.8
v2.0 · NVD
CISA KEV
No
not known exploited
EPSS
3.4%
percentile 89%
Public exploits
0
none known

cfg80211 in net/wireless/scan.c in the Linux kernel 2.6.30-rc1 and other versions before 2.6.31-rc6 allows remote attackers to cause a denial of service (crash) via a sequence of beacon frames in which one frame omits an SSID Information Element (IE) and the subsequent frame contains an SSID IE, which triggers a NULL pointer dereference in the cmp_ies function. NOTE: a potential weakness in the is_mesh function was also addressed, but the relevant condition did not exist in the code, so it is not a vulnerability.

Exploit prediction (EPSS)

3.36% probability of exploitation in the next 30 days, higher than 89% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD2.07.8AV:N/AC:L/Au:N/C:N/I:N/A:C

Classification

Weakness
Technology feeds
Linux kernel (RSS, critical only)

References

  • secunia.com /advisories/36278 · third-party-advisory, x_refsource_SECUNIA, x_transferred
  • jon.oberheide.org /files/cfg80211-remote-dos.c · x_refsource_MISC, x_transferred
  • git.kernel.org /?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commitdiff%3Bh=cd3468bad96c00b5a512f551674 · x_refsource_CONFIRM, x_transferred
  • openwall.com /lists/oss-security/2009/08/17/2 · mailing-list, x_refsource_MLIST, x_transferred
  • openwall.com /lists/oss-security/2009/08/17/1 · mailing-list, x_refsource_MLIST, x_transferred
  • securityfocus.com /bid/36052 · vdb-entry, x_refsource_BID, x_transferred
  • kernel.org /pub/linux/kernel/v2.6/ChangeLog-2.6.30.5 · x_refsource_CONFIRM, x_transferred

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.