Description
The ping_recvmsg function in net/ipv4/ping.c in the Linux kernel before 3.12.4 does not properly interact with read system calls on ping sockets, which allows local users to cause a denial of service (NULL pointer dereference and system crash) by leveraging unspecified privileges to execute a crafted application.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | linux | 3.12.6-1 | — |
| Debian 13 | linux | 3.12.6-1 | — |
| Debian 12 | linux | 3.12.6-1 | — |
References
- USN-2113-1 vendor-advisory
- [oss-security] 20131206 Re: CVE request: Kernel: ping: NULL pointer dereference on write to msg_name mailing-list
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.12.4
- USN-2117-1 vendor-advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1039046
- https://github.com/torvalds/linux/commit/cf970c002d270c36202bd5b9c2804d3097a52da0
- openSUSE-SU-2014:0205 vendor-advisory
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=cf970c002d270c36202bd5b9c2804d3097a52da0