Description
Memory leak in mm/hugetlb.c in the Linux kernel before 3.4.2 allows local users to cause a denial of service (memory consumption or system crash) via invalid MAP_HUGETLB mmap operations.
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 | 3.2.19-1 | — |
| Debian 13 | linux | 3.2.19-1 | — |
| Debian 12 | linux | 3.2.19-1 | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 6 | perf +15 | 2.6.32-279.9.1.el6 | RHSA-2012:1304 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat MRG 2 | kernel-rt +10 | 3.0.36-rt57.66.el6rt | RHSA-2012:1150 |
Advisories 2
- RHSA-2012:1304 Red Hat Security Advisory: kernel security and bug fix update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- RHSA-2012:1150 Red Hat Security Advisory: kernel-rt security and bug fix update Red Hat Security Advisories (RHSA) · Jun 28, 2026
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=c50ac050811d6485616a193eb0f37bfbd191cc89
- USN-1515-1 vendor-advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=824345
- USN-1535-1 vendor-advisory
- [oss-security] 20120523 Re: CVE Request -- kernel: huge pages: memory leak on mmap failure mailing-list
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.4.2
- https://github.com/torvalds/linux/commit/c50ac050811d6485616a193eb0f37bfbd191cc89