Description
crypto/ahash.c in the Linux kernel through 4.10.9 allows attackers to cause a denial of service (API operation calling its own callback, and infinite recursion) by triggering EBUSY on a full queue.
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 | 4.9.25-1 | — |
| Debian 13 | linux | 4.9.25-1 | — |
| Debian 12 | linux | 4.9.25-1 | — |
| Debian 7 | linux | 3.2.88-1 | DLA-922-1 |
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 18.04 LTS | linux-gcp +4 | No fix yet | — |
| Ubuntu 16.04 LTS | linux | 4.4.0-79.100 | USN-3312-1 |
| Ubuntu 16.04 LTS | linux-aws | 4.4.0-1018.27 | USN-3312-1 |
| Ubuntu 16.04 LTS | linux-gke | 4.4.0-1014.14 | USN-3312-1 |
| Ubuntu 16.04 LTS | linux-hwe | 4.10.0-32.36~16.04.1 | USN-3361-1 |
| Ubuntu 16.04 LTS | linux-raspi2 | 4.4.0-1057.64 | USN-3312-1 |
| Ubuntu 16.04 LTS | linux-snapdragon | 4.4.0-1059.63 | USN-3312-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 14.04 LTS | linux-lts-xenial | 4.4.0-79.100~14.04.1 | USN-3312-2 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP2 | kernel-docs | 4.4.74-92.29.3 | SUSE-SU-2017:1853-1 |
| SLES 12 SP2 | kernel-syms +3 | 4.4.74-92.29.1 | SUSE-SU-2017:1853-1 |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 12 SP2 | kernel-syms +2 | 4.4.74-92.29.1 | SUSE-SU-2017:1853-1 |
| 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-SP2_Update_10 | 1-4.1 | SUSE-SU-2017:1853-1 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 7 | kernel-uek +5 | 4.1.12-103.9.2.el7uek | ELSA-2017-3635 |
Advisories 7
- USN-3361-1 linux-hwe vulnerabilities Ubuntu Security Notices (USN) · Jun 3, 2026
- USN-3312-1 linux, linux-aws, linux-gke, linux-raspi2, linux-snapdragon vulnerabilities Ubuntu Security Notices (USN) · Apr 22, 2026
- DLA-922-1 linux - security update Debian Security (DSA / DLA) · Mar 9, 2026
- USN-3312-2 linux-lts-xenial vulnerabilities Ubuntu Security Notices (USN) · Feb 10, 2026
- SUSE-SU-2017:1853-1 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-2017-3635 Important: Unbreakable Enterprise kernel security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Nov 2, 2017