The dma_rx function in drivers/net/wireless/b43/dma.c in the Linux kernel before 2.6.39 does not properly allocate receive buffers, which allows remote attackers to cause a denial of service (system crash) via a crafted frame.
http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39
http://www.openwall.com/lists/oss-security/2011/09/14/2
https://bugzilla.redhat.com/show_bug.cgi?id=738202
https://github.com/torvalds/linux/commit/c85ce65ecac078ab1a1835c87c4a6319cf74660a
Source: MITRE
Published: 2012-05-24
Updated: 2020-07-27
Type: CWE-119
Base Score: 7.8
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C
Impact Score: 6.9
Exploitability Score: 10
Severity: HIGH
Base Score: 7.5
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Impact Score: 3.6
Exploitability Score: 3.9
Severity: HIGH