Description
The raw_sendmsg() function in net/ipv4/raw.c in the Linux kernel through 4.14.6 has a race condition in inet->hdrincl that leads to uninitialized stack pointer usage; this allows a local user to execute code and gain privileges.
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 | 4.14.7-1 | — |
| Debian 13 | linux | 4.14.7-1 | — |
| Debian 12 | linux | 4.14.7-1 | — |
| Debian 9 | linux | 4.9.65-3+deb9u1 | DSA-4073-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 24.04 LTS | linux-raspi-realtime | No fix yet | — |
| Ubuntu 22.04 LTS | linux-riscv +2 | No fix yet | — |
| Ubuntu 20.04 LTS | linux-gke +3 | No fix yet | — |
| Ubuntu 16.04 LTS | linux | 4.4.0-116.140 | USN-3582-1 |
| Ubuntu 16.04 LTS | linux-aws | 4.4.0-1052.61 | USN-3582-1 |
| Ubuntu 16.04 LTS | linux-azure | 4.13.0-1011.14 | USN-3581-2 |
| Ubuntu 16.04 LTS | linux-euclid | 4.4.0-9025.27 | — |
| Ubuntu 16.04 LTS | linux-gcp | 4.13.0-1011.15 | USN-3581-2 |
| Ubuntu 16.04 LTS | linux-hwe | 4.13.0-41.46~16.04.1 | USN-3581-2 |
| Ubuntu 16.04 LTS | linux-kvm | 4.4.0-1019.24 | USN-3582-1 |
| Ubuntu 16.04 LTS | linux-oem | 4.13.0-1021.23 | USN-3581-2 |
| Ubuntu 16.04 LTS | linux-raspi2 | 4.4.0-1085.93 | USN-3582-1 |
| Ubuntu 16.04 LTS | linux-snapdragon | 4.4.0-1087.92 | USN-3582-1 |
| Ubuntu 14.04 LTS | linux-aws | 4.4.0-1014.14 | USN-3582-2 |
| Ubuntu 14.04 LTS | linux-lts-xenial | 4.4.0-116.140~14.04.1 | USN-3582-2 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro FIPS-updates 16.04 LTS | linux-fips | 4.4.0-1005.5 | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 7 | perf +15 | 4.11.0-44.6.1.el7a | RHSA-2018:0502 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP3 | kernel-default +1 | 4.4.114-94.11.3 | SUSE-SU-2018:0383-1 |
| SLES 12 SP3 | kernel-docs | 4.4.114-94.11.4 | SUSE-SU-2018:0383-1 |
| SLES 12 SP3 | kernel-syms +1 | 4.4.114-94.11.2 | SUSE-SU-2018:0383-1 |
| SLES 12 SP2 | kernel-docs | 4.4.114-92.64.2 | SUSE-SU-2018:0416-1 |
| SLES 12 SP2 | kernel-syms +3 | 4.4.114-92.64.1 | SUSE-SU-2018:0416-1 |
Show 6 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 12 SP3 | kernel-default | 4.4.114-94.11.3 | SUSE-SU-2018:0383-1 |
| SLES for SAP 12 SP3 | kernel-syms +1 | 4.4.114-94.11.2 | SUSE-SU-2018:0383-1 |
| SLES for SAP 12 SP2 | kernel-syms +2 | 4.4.114-92.64.1 | SUSE-SU-2018:0416-1 |
| SLE Real Time 12 SP3 | kernel-rt +3 | 4.4.120-3.8.1 | SUSE-SU-2018:0986-1 |
| SLE Real Time 12 SP2 | kernel-rt +3 | 4.4.114-27.1 | SUSE-SU-2018:0482-1 |
| SLE Live Patching 12 SP3 | kgraft-patch-SLE12-SP3_Update_1 | 5-2.1 | SUSE-SU-2018:0346-1 |
| SLE Live Patching 12 SP3 | kgraft-patch-SLE12-SP3_Update_2 +1 | 4-2.1 | SUSE-SU-2018:0347-1, SUSE-SU-2018:0340-1 |
| SLE Live Patching 12 SP3 | kgraft-patch-SLE12-SP3_Update_4 | 3-2.1 | SUSE-SU-2018:0345-1 |
| SLE Live Patching 12 SP3 | kgraft-patch-SLE12-SP3_Update_5 +2 | 2-2.1 | SUSE-SU-2018:0436-1, SUSE-SU-2018:0433-1, SUSE-SU-2018:0431-1 |
| SLE Live Patching 12 SP3 | kgraft-patch-SLE12-SP3_Update_8 | 1-4.3.5 | SUSE-SU-2018:0383-1 |
| SLE Live Patching 12 | kgraft-patch-SLE12-SP2_Update_11 +1 | 6-2.1 | SUSE-SU-2018:0280-1, SUSE-SU-2018:0272-1 |
| SLE Live Patching 12 | kgraft-patch-SLE12-SP2_Update_13 | 5-2.1 | SUSE-SU-2018:0277-1 |
| SLE Live Patching 12 | kgraft-patch-SLE12-SP2_Update_14 +1 | 3-2.1 | SUSE-SU-2018:0294-1, SUSE-SU-2018:0281-1 |
| SLE Live Patching 12 | kgraft-patch-SLE12-SP2_Update_16 +1 | 2-2.1 | SUSE-SU-2018:0301-1, SUSE-SU-2018:0298-1 |
| SLE Live Patching 12 | kgraft-patch-SLE12-SP2_Update_18 | 1-3.3.2 | SUSE-SU-2018:0416-1 |
| SLE Live Patching 12 | kgraft-patch-SLE12-SP2_Update_5 | 10-2.1 | SUSE-SU-2018:0297-1 |
| SLE Live Patching 12 | kgraft-patch-SLE12-SP2_Update_6 | 9-2.1 | SUSE-SU-2018:0296-1 |
| SLE Live Patching 12 | kgraft-patch-SLE12-SP2_Update_7 +1 | 8-2.1 | SUSE-SU-2018:0273-1, SUSE-SU-2018:0269-1 |
| SLE Live Patching 12 | kgraft-patch-SLE12-SP2_Update_9 +1 | 7-2.1 | SUSE-SU-2018:0282-1, SUSE-SU-2018:0278-1 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 7 | kernel-uek +5 | 4.1.12-112.14.14.el7uek | ELSA-2018-4025 |
Advisories 30
- RHSA-2018:0502 Red Hat Security Advisory: kernel-alt security and bug fix update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- USN-3582-1 linux, linux-aws, linux-kvm, linux-raspi2, linux-snapdragon vulnerabilities Ubuntu Security Notices (USN) · Apr 22, 2026
- DSA-4073-1 linux - security update Debian Security (DSA / DLA) · Mar 9, 2026
- USN-3581-2 linux-hwe, linux-azure, linux-gcp, linux-oem vulnerabilities Ubuntu Security Notices (USN) · Feb 10, 2026
- USN-3582-2 linux-lts-xenial, linux-aws vulnerabilities Ubuntu Security Notices (USN) · Feb 10, 2026
- SUSE-SU-2018:0301-1 Security update for the Linux Kernel (Live Patch 17 for SLE 12 SP2) SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:0298-1 Security update for the Linux Kernel (Live Patch 16 for SLE 12 SP2) SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:0431-1 Security update for the Linux Kernel (Live Patch 5 for SLE 12 SP3) SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:0986-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:0294-1 Security update for the Linux Kernel (Live Patch 15 for SLE 12 SP2) SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:0277-1 Security update for the Linux Kernel (Live Patch 13 for SLE 12 SP2) SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:0281-1 Security update for the Linux Kernel (Live Patch 14 for SLE 12 SP2) SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:0482-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:0436-1 Security update for the Linux Kernel (Live Patch 7 for SLE 12 SP3) SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:0297-1 Security update for the Linux Kernel (Live Patch 5 for SLE 12 SP2) SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:0280-1 Security update for the Linux Kernel (Live Patch 11 for SLE 12 SP2) SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:0282-1 Security update for the Linux Kernel (Live Patch 10 for SLE 12 SP2) SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:0273-1 Security update for the Linux Kernel (Live Patch 7 for SLE 12 SP2) SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:0269-1 Security update for the Linux Kernel (Live Patch 8 for SLE 12 SP2) SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:0433-1 Security update for the Linux Kernel (Live Patch 6 for SLE 12 SP3) SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:0383-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:0340-1 Security update for the Linux Kernel (Live Patch 2 for SLE 12 SP3) SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:0296-1 Security update for the Linux Kernel (Live Patch 6 for SLE 12 SP2) SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:0345-1 Security update for the Linux Kernel (Live Patch 4 for SLE 12 SP3) SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:0416-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:0347-1 Security update for the Linux Kernel (Live Patch 3 for SLE 12 SP3) SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:0272-1 Security update for the Linux Kernel (Live Patch 12 for SLE 12 SP2) SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:0278-1 Security update for the Linux Kernel (Live Patch 9 for SLE 12 SP2) SUSE / openSUSE Security Updates · May 2, 2025
- SUSE-SU-2018:0346-1 Security update for the Linux Kernel (Live Patch 1 for SLE 12 SP3) SUSE / openSUSE Security Updates · May 2, 2025
- ELSA-2018-4025 Important: Unbreakable Enterprise kernel security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Feb 7, 2018
References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=8f659a03a0ba9289b9aeb9b4470e6fb263d6f483
- USN-3582-1 vendor-advisory
- https://source.android.com/security/bulletin/pixel/2018-04-01
- https://github.com/torvalds/linux/commit/8f659a03a0ba9289b9aeb9b4470e6fb263d6f483
- USN-3581-1 vendor-advisory
- USN-3581-3 vendor-advisory
- USN-3581-2 vendor-advisory
- DSA-4073 vendor-advisory
- RHSA-2018:0502 vendor-advisory
- USN-3582-2 vendor-advisory