Description
Integer overflow in the sg_start_req function in drivers/scsi/sg.c in the Linux kernel 2.6.x through 4.x before 4.1 allows local users to cause a denial of service or possibly have unspecified other impact via a large iov_count value in a write request.
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 | 4.1.3-1 | — |
| Debian 13 | linux | 4.1.3-1 | — |
| Debian 12 | linux | 4.1.3-1 | — |
| Debian 8 | linux | 3.16.7-ckt11-1+deb8u3 | DSA-3329-1 |
| Debian 7 | linux | 3.2.68-1+deb7u3 | DSA-3329-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 6.0 | linux-2.6 | 2.6.32-48squeeze14 | DLA-310-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 14.04 LTS | linux | 3.13.0-63.103 | USN-2734-1 |
| Ubuntu 14.04 LTS | linux-lts-utopic | 3.16.0-50.66~14.04.1 | USN-2750-1 |
| Ubuntu 14.04 LTS | linux-lts-vivid | 3.19.0-28.30~14.04.1 | USN-2737-1 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP1 | kernel-docs +1 | 3.12.53-60.30.2 | SUSE-SU-2016:0585-1 |
| SLES 12 SP1 | kernel-xen +3 | 3.12.53-60.30.1 | SUSE-SU-2016:0585-1 |
| SLES 12 SP1 | lttng-modules | 2.7.0-3.1 | SUSE-SU-2016:0585-1 |
| SLES 12 | kernel-docs +1 | 3.12.55-52.42.2 | SUSE-SU-2016:0785-1 |
| SLES 12 | kernel-ec2 | 3.12.53-60.30.1 | SUSE-SU-2016:0785-1, SUSE-SU-2016:0585-1 |
| SLES 12 | kernel-xen +3 | 3.12.55-52.42.1 | SUSE-SU-2016:0785-1 |
| SLES 11 SP4 | kernel-docs | 3.0.101-65.3 | SUSE-SU-2015:1678-1 |
| SLES 11 SP4 | kernel-ec2 +7 | 3.0.101-65.1 | SUSE-SU-2015:1678-1 |
| SLES 11 SP3 | kernel-ec2 +8 | 3.0.101-0.47.67.2 | SUSE-SU-2015:1611-1 |
| SLES 11 SP2 | kernel-ec2 +6 | 3.0.101-0.7.37.1 | SUSE-SU-2015:1478-1 |
Show 7 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 12 SP1 | kernel-xen +3 | 3.12.53-60.30.1 | SUSE-SU-2016:0585-1 |
| SLES for SAP 12 SP1 | lttng-modules | 2.7.0-3.1 | SUSE-SU-2016:0585-1 |
| SLES for SAP 12 | kernel-xen +3 | 3.12.55-52.42.1 | SUSE-SU-2016:0785-1 |
| SLES for SAP 11 SP4 | kernel-ec2 +7 | 3.0.101-65.1 | SUSE-SU-2015:1678-1 |
| SLES for SAP 11 SP3 | kernel-ec2 +8 | 3.0.101-0.47.67.2 | SUSE-SU-2015:1611-1 |
| SLE Real Time 11 SP4 | kernel-rt +3 | 3.0.101.rt130-45.1 | SUSE-SU-2015:2167-1 |
| SLE Real Time 11 SP3 | kernel-rt +3 | 3.0.101.rt130-0.33.40.1 | SUSE-SU-2015:1592-1 |
| SLE Live Patching 12 | kgraft-patch-SLE12_Update_1 +1 | 4-2.3 | SUSE-SU-2015:2091-1, SUSE-SU-2015:2089-1 |
| SLE Live Patching 12 | kgraft-patch-SLE12_Update_12 +1 | 1-2.1 | SUSE-SU-2016:0785-1, SUSE-SU-2016:0585-1 |
| SLE Live Patching 12 | kgraft-patch-SLE12_Update_3 +2 | 3-2.1 | SUSE-SU-2015:2090-1, SUSE-SU-2015:2085-1, SUSE-SU-2015:2084-1 |
| SLE Live Patching 12 | kgraft-patch-SLE12_Update_6 | 2-2.1 | SUSE-SU-2015:2087-1 |
| SLE Live Patching 12 | kgraft-patch-SLE12_Update_7 | 2-4.1 | SUSE-SU-2015:2086-1 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 7 | dtrace-modules-3.8.13-118.17.4.el6uek | 0.4.5-3.el6 | ELSA-2017-3534 |
| Oracle Linux 7 | dtrace-modules-3.8.13-118.17.4.el7uek | 0.4.5-3.el7 | ELSA-2017-3534 |
| Oracle Linux 7 | kernel-uek +5 | 3.8.13-118.17.4.el7uek | ELSA-2017-3534 |
Advisories 20
- USN-2734-1 linux vulnerability Ubuntu Security Notices (USN) · Apr 22, 2026
- DLA-310-1 linux-2.6 - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DSA-3329-1 linux - security update Debian Security (DSA / DLA) · Mar 9, 2026
- USN-2737-1 linux-lts-vivid vulnerability Ubuntu Security Notices (USN) · Feb 10, 2026
- USN-2750-1 linux-lts-utopic vulnerability Ubuntu Security Notices (USN) · Feb 10, 2026
- SUSE-SU-2016:0585-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2015:2091-1 Security update for Linux Kernel Live Patch 2 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2015:2087-1 Security update for Linux Kernel Live Patch 6 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2015:2084-1 Security update for Linux Kernel Live Patch 5 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2015:2167-1 Security update for kernel-source-rt SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2015:1478-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2015:1678-1 Security update for kernel-source SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2015:2085-1 Security update for Linux Kernel Live Patch 4 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2015:2086-1 Security update for Linux Kernel Live Patch 7 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2015:2089-1 Security update for Linux Kernel Live Patch 1 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2015:2090-1 Security update for Linux Kernel Live Patch 3 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2015:1611-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2015:1592-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · May 2, 2025
- SUSE-SU-2016:0785-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · May 2, 2025
- ELSA-2017-3534 Important: Unbreakable Enterprise kernel security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Mar 31, 2017
References
- USN-2738-1 vendor-advisory
- SUSE-SU-2015:2089 vendor-advisory
- USN-2733-1 vendor-advisory
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=fdc81f45e9f57858da6351836507fbcf1b7583ee
- SUSE-SU-2015:2087 vendor-advisory
- USN-2750-1 vendor-advisory
- USN-2737-1 vendor-advisory
- https://source.android.com/security/bulletin/2017-07-01
- SUSE-SU-2015:1611 vendor-advisory
- DSA-3329 vendor-advisory
- 1033521 vdb-entry
- https://bugzilla.redhat.com/show_bug.cgi?id=1250030
- https://github.com/torvalds/linux/commit/fdc81f45e9f57858da6351836507fbcf1b7583ee
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=451a2886b6bf90e2fb378f7c46c655450fb96e81
- USN-2760-1 vendor-advisory
- SUSE-SU-2015:2091 vendor-advisory
- SUSE-SU-2015:1478 vendor-advisory
- USN-2759-1 vendor-advisory
- https://github.com/torvalds/linux/commit/451a2886b6bf90e2fb378f7c46c655450fb96e81
- SUSE-SU-2015:2084 vendor-advisory
- SUSE-SU-2015:2085 vendor-advisory
- USN-2734-1 vendor-advisory
- [oss-security] 20150801 CVE request: Integer overflow in SCSI generic driver in Linux <4.1 mailing-list
- SUSE-SU-2015:2086 vendor-advisory
- SUSE-SU-2015:1592 vendor-advisory
- SUSE-SU-2015:2090 vendor-advisory
- 76145 vdb-entry