CVE-2009-1243
Published: 6 April 2009
net/ipv4/udp.c in the Linux kernel before 2.6.29.1 performs an unlocking step in certain incorrect circumstances, which allows local users to cause a denial of service (panic) by reading zero bytes from the /proc/net/udp file and unspecified other files, related to the "udp seq_file infrastructure."
Notes
| Author | Note |
|---|---|
| smb | introducted with v2.6.29-rc1 and fixed in v2.6.30-rc1. |
Priority
Status
| Package | Release | Status |
|---|---|---|
|
linux Launchpad, Ubuntu, Debian |
dapper |
Does not exist
|
| gutsy |
Does not exist
|
|
| hardy |
Not vulnerable
|
|
| intrepid |
Not vulnerable
|
|
| jaunty |
Not vulnerable
|
|
| upstream |
Released
(2.6.30~rc1)
|
|
|
Patches: upstream: http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=30842f2989aacfaba3ccb39829b3417be9313dbe |
||
|
linux-source-2.6.15 Launchpad, Ubuntu, Debian |
dapper |
Not vulnerable
|
| gutsy |
Does not exist
|
|
| hardy |
Does not exist
|
|
| intrepid |
Does not exist
|
|
| jaunty |
Does not exist
|
|
| upstream |
Released
(2.6.30~rc1)
|
|
|
linux-source-2.6.22 Launchpad, Ubuntu, Debian |
dapper |
Does not exist
|
| gutsy |
Ignored
(end of life, was needs-triage)
|
|
| hardy |
Does not exist
|
|
| intrepid |
Does not exist
|
|
| jaunty |
Does not exist
|
|
| upstream |
Released
(2.6.30~rc1)
|
|
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 5.5 |
| Attack vector | Local |
| Attack complexity | Low |
| Privileges required | Low |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity impact | None |
| Availability impact | High |
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |