Description
Integer overflow in the _ctl_do_mpt_command function in drivers/scsi/mpt2sas/mpt2sas_ctl.c in the Linux kernel 2.6.38 and earlier might allow local users to gain privileges or cause a denial of service (memory corruption) via an ioctl call specifying a crafted value that triggers a heap-based buffer overflow.
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 6.0 | linux-2.6 | 2.6.32-34squeeze1 | DSA-2240-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 6 | perf +14 | 2.6.32-131.0.15.el6 | RHSA-2011:0542 |
| RHEL 5 | kernel +11 | 2.6.18-238.12.1.el5 | RHSA-2011:0833 |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 6.0 EUS | perf +14 | 2.6.32-71.31.1.el6 | RHSA-2011:0883 |
| Red Hat MRG 2 | kernel-rt +10 | 2.6.33.9-rt31.75.el6rt | RHSA-2011:1253 |
Advisories 5
- RHSA-2011:1253 Red Hat Security Advisory: kernel-rt security and bug fix update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- RHSA-2011:0833 Red Hat Security Advisory: kernel security and bug fix update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- RHSA-2011:0542 Red Hat Security Advisory: Red Hat Enterprise Linux 6.1 kernel security, bug fix and enhancement update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- DSA-2240-1 linux-2.6 - several issues Debian Security (DSA / DLA) · Mar 9, 2026
- RHSA-2011:0883 Red Hat Security Advisory: kernel security and bug fix update Red Hat Security Advisories (RHSA) · Nov 22, 2025
References
- [linux-kernel] 20110405 [PATCH] drivers/scsi/mpt2sas: prevent heap overflows and unchecked reads mailing-list
- [oss-security] 20110405 CVE request: kernel: two issues in mpt2sas mailing-list
- 20111013 VMSA-2011-0012 VMware ESXi and ESX updates to third party libraries and ESX Service Console mailing-list
- 46397 third-party-advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=694021
- [oss-security] 20110406 Re: CVE request: kernel: two issues in mpt2sas mailing-list
- https://patchwork.kernel.org/patch/688021/
- http://www.vmware.com/security/advisories/VMSA-2011-0012.html
- RHSA-2011:0833 vendor-advisory
- http://downloads.avaya.com/css/P8/documents/100145416
- 47185 vdb-entry
- SUSE-SU-2015:0812 vendor-advisory