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Unscored CVE-2022-49012 EUVD-2022-53896GHSA-fp5w-qv26-7xff

afs: Fix server->active leak in afs_put_server

Published Oct 21, 2024 · Updated May 11, 2026 · Assigned by Linux

Vendor: Linux Product: Linux Package: linux Package: linux-allwinner-5.19 Package: linux-aws-5.0 Package: linux-aws-5.11 Package: linux-aws-5.13 Package: linux-aws-5.19 Package: linux-aws-5.3 Package: linux-aws-5.8 Package: linux-aws-6.2 Package: linux-aws-6.5 Package: linux-azure Package: linux-azure-5.11 Package: linux-azure-5.13 Package: linux-azure-5.19 Package: linux-azure-5.3 Package: linux-azure-5.8 Package: linux-azure-6.2 Package: linux-azure-6.5 Package: linux-azure-edge Package: linux-azure-fde Package: linux-azure-fde-5.19 Package: linux-azure-fde-6.2 Package: linux-gcp Package: linux-gcp-5.11 Package: linux-gcp-5.13 Package: linux-gcp-5.19 Package: linux-gcp-5.3 Package: linux-gcp-5.8 Package: linux-gcp-6.2 Package: linux-gcp-6.5 Package: linux-gke Package: linux-gke-4.15 Package: linux-gke-5.15 Package: linux-gke-5.4 Package: linux-gkeop-5.4 Package: linux-hwe Package: linux-hwe-5.11 Package: linux-hwe-5.13 Package: linux-hwe-5.19 Package: linux-hwe-5.8 Package: linux-hwe-6.2 Package: linux-hwe-6.5 Package: linux-hwe-edge Package: linux-intel-5.13 Package: linux-intel-iot-realtime Package: linux-lowlatency-hwe-5.19 Package: linux-lowlatency-hwe-6.2 Package: linux-lowlatency-hwe-6.5 Package: linux-nvidia-6.2 Package: linux-nvidia-6.5 Package: linux-oem Package: linux-oem-5.10 Package: linux-oem-5.13 Package: linux-oem-5.14 Package: linux-oem-5.17 Package: linux-oem-5.6 Package: linux-oem-6.0 Package: linux-oem-6.1 Package: linux-oem-6.5 Package: linux-oracle-5.0 Package: linux-oracle-5.11 Package: linux-oracle-5.13 Package: linux-oracle-5.3 Package: linux-oracle-5.8 Package: linux-oracle-6.5 Package: linux-raspi-realtime Package: linux-raspi2 Package: linux-realtime Package: linux-riscv Package: linux-riscv-5.11 Package: linux-riscv-5.19 Package: linux-riscv-5.8 Package: linux-riscv-6.5 Package: linux-starfive-5.19 Package: linux-starfive-6.2 Package: linux-starfive-6.5 Platform: Linux Ecosystem: Debian Ecosystem: Ubuntu

Description

In the Linux kernel, the following vulnerability has been resolved:

afs: Fix server->active leak in afs_put_server

The atomic_read was accidentally replaced with atomic_inc_return,
which prevents the server from getting cleaned up and causes rmmod
to hang with a warning:

Can't purge s=00000001

Affected products

VendorProductAffectedFixed
Linux Linux 6.0 6.0.12

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 ↗
ReleasePackageFixed inAdvisory
Debian 14 linux 6.0.12-1 —
Debian 13 linux 6.0.12-1 —
Debian 12 linux 6.0.12-1 —

Ubuntu

Security tracker ↗
ReleasePackageFixed inAdvisory
Ubuntu 24.04 LTS linux-raspi-realtime No fix yet —
Ubuntu 22.04 LTS linux-riscv +32 No fix yet —
Ubuntu 20.04 LTS linux-gke +26 No fix yet —
Ubuntu 18.04 LTS linux-gcp +13 No fix yet —
Ubuntu 16.04 LTS linux-hwe-edge No fix yet —

SUSE

Security tracker ↗
ReleasePackageFixed inAdvisory
SLES 15 SP5 kernel-64kb +6 5.14.21-150500.55.88.1 SUSE-SU-2024:4364-1
SLES 15 SP5 kernel-azure +2 5.14.21-150500.33.72.1 SUSE-SU-2024:3983-1
SLES 15 SP5 kernel-default-base 5.14.21-150500.55.88.1.150500.6.39.4 SUSE-SU-2024:4364-1
SLES 15 SP4 kernel-64kb +6 5.14.21-150400.24.141.1 SUSE-SU-2024:4131-1
SLES 15 SP4 kernel-default-base 5.14.21-150400.24.141.1.150400.24.68.2 SUSE-SU-2024:4131-1
Show 10 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
SLES for SAP 15 SP4 kernel-default-base 5.14.21-150400.24.141.1.150400.24.68.2 SUSE-SU-2024:4131-1
SLES for SAP 15 SP4 kernel-docs +4 5.14.21-150400.24.141.1 SUSE-SU-2024:4131-1
SLE Micro 5.5 kernel-default 5.14.21-150500.55.88.1 SUSE-SU-2024:4364-1
SLE Micro 5.5 kernel-default-base 5.14.21-150500.55.88.1.150500.6.39.4 SUSE-SU-2024:4364-1
SLE Micro 5.5 kernel-rt +1 5.14.21-150500.13.76.1 SUSE-SU-2024:3985-1
SLE Micro 5.4 kernel-default 5.14.21-150400.24.141.1 SUSE-SU-2024:4131-1
SLE Micro 5.4 kernel-default-base 5.14.21-150400.24.141.1.150400.24.68.2 SUSE-SU-2024:4131-1
SLE Micro 5.4 kernel-rt +1 5.14.21-150400.15.100.1 SUSE-SU-2024:4082-1
SLE Micro 5.3 kernel-default 5.14.21-150400.24.141.1 SUSE-SU-2024:4131-1
SLE Micro 5.3 kernel-default-base 5.14.21-150400.24.141.1.150400.24.68.2 SUSE-SU-2024:4131-1
SLE Micro 5.3 kernel-rt +1 5.14.21-150400.15.100.1 SUSE-SU-2024:4082-1
SLE Live Patching 15 SP5 kernel-default 5.14.21-150500.55.88.1 SUSE-SU-2024:4364-1
SLE Live Patching 15 SP5 kernel-livepatch-SLE15-SP5-RT_Update_22 1-150500.11.3.1 SUSE-SU-2024:3985-1
SLE Live Patching 15 SP5 kernel-livepatch-SLE15-SP5_Update_21 1-150500.11.5.1 SUSE-SU-2024:4364-1
SLE Live Patching 15 SP4 kernel-default 5.14.21-150400.24.141.1 SUSE-SU-2024:4131-1
SLE Live Patching 15 SP4 kernel-livepatch-SLE15-SP4_Update_33 1-150400.9.5.1 SUSE-SU-2024:4131-1
SLE HPC 15 SP4 kernel-64kb +5 5.14.21-150400.24.141.1 SUSE-SU-2024:4131-1
SLE HPC 15 SP4 kernel-default-base 5.14.21-150400.24.141.1.150400.24.68.2 SUSE-SU-2024:4131-1
SUSE Real Time Module 15 SP5 kernel-rt +3 5.14.21-150500.13.76.1 SUSE-SU-2024:3985-1
SUSE Manager Server 4.3 kernel-default-base 5.14.21-150400.24.141.1.150400.24.68.2 SUSE-SU-2024:4131-1
SUSE Manager Server 4.3 kernel-syms +3 5.14.21-150400.24.141.1 SUSE-SU-2024:4131-1
SUSE Manager Proxy 4.3 kernel-default-base 5.14.21-150400.24.141.1.150400.24.68.2 SUSE-SU-2024:4131-1
SUSE Manager Proxy 4.3 kernel-syms +2 5.14.21-150400.24.141.1 SUSE-SU-2024:4131-1

openSUSE

Security tracker ↗
ReleasePackageFixed inAdvisory
openSUSE Leap 15.5 kernel-azure +2 5.14.21-150500.33.72.1 SUSE-SU-2024:3983-1
openSUSE Leap 15.5 kernel-rt +3 5.14.21-150500.13.76.1 SUSE-SU-2024:3985-1
Show 1 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
openSUSE Leap Micro 5.5 kernel-rt 5.14.21-150500.13.76.1 SUSE-SU-2024:3985-1

Advisories 6

References