Description
The get_name function in net/tipc/socket.c in the Linux kernel before 2.6.37-rc2 does not initialize a certain structure, which allows local users to obtain potentially sensitive information from kernel stack memory by reading a copy of this structure.
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 5.0 | linux-2.6 | 2.6.26-26lenny1 | DSA-2126-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 5 | kernel +12 | 2.6.18-238.el5 | RHSA-2011:0017 |
Advisories 2
- RHSA-2011:0017 Red Hat Security Advisory: Red Hat Enterprise Linux 5.6 kernel security and bug fix update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- DSA-2126-1 linux-2.6 - several issues Debian Security (DSA / DLA) · Mar 9, 2026
References
- kernel-getname-info-disc(64578) vdb-entry
- 20111013 VMSA-2011-0012 VMware ESXi and ESX updates to third party libraries and ESX Service Console mailing-list
- RHSA-2011:0017 vendor-advisory
- 46397 third-party-advisory
- http://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.37-rc2
- [oss-security] 20101104 Re: CVE request: kernel stack infoleaks mailing-list
- [netdev] 20101031 [PATCH 3/3] net: tipc: fix information leak to userland mailing-list
- [oss-security] 20101102 CVE request: kernel stack infoleaks mailing-list
- http://www.vmware.com/security/advisories/VMSA-2011-0012.html
- https://bugzilla.redhat.com/show_bug.cgi?id=649717
- 42884 third-party-advisory
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=88f8a5e3e7defccd3925cabb1ee4d3994e5cdb52
- MDVSA-2011:029 vendor-advisory
- 44630 vdb-entry
- DSA-2126 vendor-advisory