Description
The atl2_probe function in drivers/net/ethernet/atheros/atlx/atl2.c in the Linux kernel through 4.5.2 incorrectly enables scatter/gather I/O, which allows remote attackers to obtain sensitive information from kernel memory by reading packet data.
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 | 4.5.2-1 | — |
| Debian 13 | linux | 4.5.2-1 | — |
| Debian 12 | linux | 4.5.2-1 | — |
| Debian 8 | linux | 3.16.7-ckt25-2+deb8u2 | DSA-3607-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 16.04 LTS | linux | 4.4.0-24.43 | USN-3006-1 |
| Ubuntu 16.04 LTS | linux-raspi2 | 4.4.0-1012.16 | USN-3007-1 |
| Ubuntu 16.04 LTS | linux-snapdragon | 4.4.0-1015.18 | — |
| Ubuntu 14.04 LTS | linux | 3.13.0-87.133 | USN-2989-1 |
| Ubuntu 14.04 LTS | linux-lts-utopic | 3.16.0-73.95~14.04.1 | USN-3000-1 |
| Ubuntu 14.04 LTS | linux-lts-vivid | 3.19.0-61.69~14.04.1 | USN-3001-1 |
| Ubuntu 14.04 LTS | linux-lts-wily | 4.2.0-38.45~14.04.1 | USN-3002-1 |
| Ubuntu 14.04 LTS | linux-lts-xenial | 4.4.0-24.43~14.04.1 | USN-3005-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 7 | kernel-rt +10 | 3.10.0-514.rt56.420.el7 | RHSA-2016:2584 |
| RHEL 7 | perf +18 | 3.10.0-514.el7 | RHSA-2016:2574 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP2 | kernel-default +1 | 4.4.59-92.17.3 | SUSE-SU-2017:1183-1 |
| SLES 12 SP2 | kernel-docs | 4.4.59-92.17.8 | SUSE-SU-2017:1183-1 |
| SLES 12 SP2 | kernel-syms +1 | 4.4.59-92.17.2 | SUSE-SU-2017:1183-1 |
| SLES 12 SP1 | kernel-docs | 3.12.74-60.64.40.4 | SUSE-SU-2017:1360-1 |
| SLES 12 SP1 | kernel-xen +4 | 3.12.74-60.64.40.1 | SUSE-SU-2017:1360-1 |
| SLES 12 | kernel-ec2 +4 | 3.12.61-52.72.1 | SUSE-SU-2017:1360-1, SUSE-SU-2017:1247-1 |
| SLES 12 | kgraft-patch-SLE12_Update_21 | 1-2.1 | SUSE-SU-2017:1247-1 |
Show 5 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 12 SP2 | kernel-default | 4.4.59-92.17.3 | SUSE-SU-2017:1183-1 |
| SLES for SAP 12 SP2 | kernel-syms +1 | 4.4.59-92.17.2 | SUSE-SU-2017:1183-1 |
| SLES for SAP 12 SP1 | kernel-xen +3 | 3.12.74-60.64.40.1 | SUSE-SU-2017:1360-1 |
| SLES for SAP 12 | kernel-xen +3 | 3.12.61-52.72.1 | SUSE-SU-2017:1247-1 |
| SLES for SAP 12 | kgraft-patch-SLE12_Update_21 | 1-2.1 | SUSE-SU-2017:1247-1 |
| SLE Real Time 12 SP2 | kernel-rt +3 | 4.4.74-7.10.1 | SUSE-SU-2017:1990-1 |
| SLE Live Patching 12 | kgraft-patch-SLE12-SP1_Update_15 | 1-4.1 | SUSE-SU-2017:1360-1 |
| SLE Live Patching 12 | kgraft-patch-SLE12-SP2_Update_7 | 1-2.3 | SUSE-SU-2017:1183-1 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 7 | dtrace-modules-3.8.13-118.9.1.el6uek | 0.4.5-3.el6 | ELSA-2016-3588 |
| Oracle Linux 7 | dtrace-modules-3.8.13-118.9.1.el7uek | 0.4.5-3.el7 | ELSA-2016-3588 |
| Oracle Linux 7 | dtrace-modules-4.1.12-37.6.1.el6uek | 0.5.2-1.el6 | ELSA-2016-3587 |
| Oracle Linux 7 | dtrace-modules-4.1.12-37.6.1.el7uek | 0.5.2-1.el7 | ELSA-2016-3587 |
| Oracle Linux 7 | kernel-uek +5 | 3.8.13-118.9.1.el7uek | ELSA-2016-3588, ELSA-2016-3587 |
| Oracle Linux 7 | perf +11 | 3.10.0-514.el7 | ELSA-2016-2574 |
Advisories 17
- RHSA-2016:2584 Red Hat Security Advisory: kernel-rt security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- RHSA-2016:2574 Red Hat Security Advisory: kernel security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- USN-2989-1 linux vulnerabilities Ubuntu Security Notices (USN) · Apr 22, 2026
- USN-3006-1 linux vulnerabilities Ubuntu Security Notices (USN) · Apr 22, 2026
- DSA-3607-1 linux - security update Debian Security (DSA / DLA) · Mar 9, 2026
- USN-3007-1 linux-raspi2 vulnerabilities Ubuntu Security Notices (USN) · Feb 10, 2026
- USN-3000-1 linux-lts-utopic vulnerabilities Ubuntu Security Notices (USN) · Feb 10, 2026
- USN-3001-1 linux-lts-vivid vulnerabilities Ubuntu Security Notices (USN) · Feb 10, 2026
- USN-3002-1 linux-lts-wily vulnerabilities Ubuntu Security Notices (USN) · Feb 10, 2026
- USN-3005-1 linux-lts-xenial vulnerabilities Ubuntu Security Notices (USN) · Feb 10, 2026
- SUSE-SU-2017:1183-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2017:1247-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2017:1360-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2017:1990-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · May 2, 2025
- ELSA-2016-2574 Important: kernel security, bug fix, and enhancement update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Nov 9, 2016
- ELSA-2016-3588 Important: Unbreakable Enterprise kernel security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Jul 29, 2016
- ELSA-2016-3587 Important: kernel-uek security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Jul 29, 2016
References
- USN-3006-1 vendor-advisory
- http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
- USN-3004-1 vendor-advisory
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f43bfaeddc79effbf3d0fcb53ca477cca66f3db8
- USN-3001-1 vendor-advisory
- http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html
- USN-3005-1 vendor-advisory
- RHSA-2016:2584 vendor-advisory
- RHSA-2016:2574 vendor-advisory
- USN-3000-1 vendor-advisory
- DSA-3607 vendor-advisory
- USN-3002-1 vendor-advisory
- 84500 vdb-entry
- USN-2989-1 vendor-advisory
- USN-3007-1 vendor-advisory
- [oss-security] 20160316 CVE-2016-2117 memory disclosure to ethernet due to unchecked scatter/gather IO mailing-list
- USN-3003-1 vendor-advisory
- USN-2998-1 vendor-advisory
- https://github.com/torvalds/linux/commit/f43bfaeddc79effbf3d0fcb53ca477cca66f3db8
- https://bugzilla.redhat.com/show_bug.cgi?id=1312298