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High · 7.5 CVE-2024-53090 EUVD-2024-50506GHSA-f3pg-hppr-jf6f

afs: Fix lock recursion

Published Nov 21, 2024 · Updated Oct 30, 2026 · Assigned by Linux

Vendor: Linux Product: Linux Package: kernel Package: linux Package: linux Package: linux-allwinner-5.19 Package: linux-aws Package: linux-aws-5.0 Package: linux-aws-5.11 Package: linux-aws-5.13 Package: linux-aws-5.15 Package: linux-aws-5.19 Package: linux-aws-5.3 Package: linux-aws-5.4 Package: linux-aws-5.8 Package: linux-aws-6.2 Package: linux-aws-6.5 Package: linux-aws-6.8 Package: linux-aws-fips Package: linux-aws-hwe Package: linux-azure Package: linux-azure-4.15 Package: linux-azure-5.11 Package: linux-azure-5.13 Package: linux-azure-5.15 Package: linux-azure-5.19 Package: linux-azure-5.3 Package: linux-azure-5.4 Package: linux-azure-5.8 Package: linux-azure-6.11 Package: linux-azure-6.2 Package: linux-azure-6.5 Package: linux-azure-6.8 Package: linux-azure-edge Package: linux-azure-fde Package: linux-azure-fde-5.19 Package: linux-azure-fde-6.2 Package: linux-azure-fips Package: linux-azure-nvidia Package: linux-bluefield Package: linux-fips Package: linux-gcp Package: linux-gcp-4.15 Package: linux-gcp-5.11 Package: linux-gcp-5.13 Package: linux-gcp-5.15 Package: linux-gcp-5.19 Package: linux-gcp-5.3 Package: linux-gcp-5.4 Package: linux-gcp-5.8 Package: linux-gcp-6.11 Package: linux-gcp-6.2 Package: linux-gcp-6.5 Package: linux-gcp-6.8 Package: linux-gcp-fips Package: linux-gke Package: linux-gke-4.15 Package: linux-gke-5.15 Package: linux-gke-5.4 Package: linux-gkeop Package: linux-gkeop-5.15 Package: linux-gkeop-5.4 Package: linux-hwe Package: linux-hwe-5.11 Package: linux-hwe-5.13 Package: linux-hwe-5.15 Package: linux-hwe-5.19 Package: linux-hwe-5.4 Package: linux-hwe-5.8 Package: linux-hwe-6.2 Package: linux-hwe-6.5 Package: linux-hwe-6.8 Package: linux-hwe-edge Package: linux-ibm Package: linux-ibm-5.15 Package: linux-ibm-5.4 Package: linux-ibm-6.8 Package: linux-intel-5.13 Package: linux-intel-iot-realtime Package: linux-intel-iotg Package: linux-intel-iotg-5.15 Package: linux-iot Package: linux-kvm Package: linux-lowlatency Package: linux-lowlatency-hwe-5.15 Package: linux-lowlatency-hwe-5.19 Package: linux-lowlatency-hwe-6.2 Package: linux-lowlatency-hwe-6.5 Package: linux-lowlatency-hwe-6.8 Package: linux-nvidia Package: linux-nvidia-6.11 Package: linux-nvidia-6.2 Package: linux-nvidia-6.5 Package: linux-nvidia-6.8 Package: linux-nvidia-lowlatency Package: linux-nvidia-tegra Package: linux-nvidia-tegra-5.15 Package: linux-nvidia-tegra-igx 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-6.11 Package: linux-oem-6.5 Package: linux-oem-6.8 Package: linux-oracle Package: linux-oracle-5.0 Package: linux-oracle-5.11 Package: linux-oracle-5.13 Package: linux-oracle-5.15 Package: linux-oracle-5.3 Package: linux-oracle-5.4 Package: linux-oracle-5.8 Package: linux-oracle-6.5 Package: linux-oracle-6.8 Package: linux-raspi Package: linux-raspi-5.4 Package: linux-raspi-realtime Package: linux-raspi2 Package: linux-realtime Package: linux-realtime-6.8 Package: linux-riscv Package: linux-riscv-5.11 Package: linux-riscv-5.15 Package: linux-riscv-5.19 Package: linux-riscv-5.8 Package: linux-riscv-6.5 Package: linux-riscv-6.8 Package: linux-starfive-5.19 Package: linux-starfive-6.2 Package: linux-starfive-6.5 Package: linux-vmware Package: linux-xilinx Package: linux-xilinx-zynqmp Platform: Linux Ecosystem: Azure Linux Ecosystem: Debian Ecosystem: Ubuntu

Description

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

afs: Fix lock recursion

afs_wake_up_async_call() can incur lock recursion. The problem is that it
is called from AF_RXRPC whilst holding the ->notify_lock, but it tries to
take a ref on the afs_call struct in order to pass it to a work queue - but
if the afs_call is already queued, we then have an extraneous ref that must
be put... calling afs_put_call() may call back down into AF_RXRPC through
rxrpc_kernel_shutdown_call(), however, which might try taking the
->notify_lock again.

This case isn't very common, however, so defer it to a workqueue. The oops
looks something like:

BUG: spinlock recursion on CPU#0, krxrpcio/7001/1646
lock: 0xffff888141399b30, .magic: dead4ead, .owner: krxrpcio/7001/1646, .owner_cpu: 0
CPU: 0 UID: 0 PID: 1646 Comm: krxrpcio/7001 Not tainted 6.12.0-rc2-build3+ #4351
Hardware name: ASUS All Series/H97-PLUS, BIOS 2306 10/09/2014
Call Trace:
<TASK>
dump_stack_lvl+0x47/0x70
do_raw_spin_lock+0x3c/0x90
rxrpc_kernel_shutdown_call+0x83/0xb0
afs_put_call+0xd7/0x180
rxrpc_notify_socket+0xa0/0x190
rxrpc_input_split_jumbo+0x198/0x1d0
rxrpc_input_data+0x14b/0x1e0
? rxrpc_input_call_packet+0xc2/0x1f0
rxrpc_input_call_event+0xad/0x6b0
rxrpc_input_packet_on_conn+0x1e1/0x210
rxrpc_input_packet+0x3f2/0x4d0
rxrpc_io_thread+0x243/0x410
? __pfx_rxrpc_io_thread+0x10/0x10
kthread+0xcf/0xe0
? __pfx_kthread+0x10/0x10
ret_from_fork+0x24/0x40
? __pfx_kthread+0x10/0x10
ret_from_fork_asm+0x1a/0x30
</TASK>

Affected products

VendorProductAffectedFixed
Linux Linux 4.15 6.1.191

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.

ReleasePackageFixed inAdvisory
Debian 14 linux 6.11.9-1 —
Debian 13 linux 6.11.9-1 —
Debian 12 linux No fix yet —
ReleasePackageFixed inAdvisory
Ubuntu Nvidia-BlueField 22.04 LTS linux-bluefield 5.15.0-1082.84 —
Ubuntu 24.04 LTS linux 6.8.0-58.60 USN-7449-1
Ubuntu 24.04 LTS linux-aws 6.8.0-1027.29 USN-7449-1
Ubuntu 24.04 LTS linux-azure 6.8.0-1027.32 USN-7449-1
Ubuntu 24.04 LTS linux-azure-6.11 6.11.0-1012.12~24.04.1 —
Ubuntu 24.04 LTS linux-azure-nvidia 6.8.0-1014.15 USN-7468-1
Ubuntu 24.04 LTS linux-gcp 6.8.0-1028.30 USN-7450-1
Ubuntu 24.04 LTS linux-gcp-6.11 6.11.0-1011.11~24.04.1 —
Ubuntu 24.04 LTS linux-gke 6.8.0-1023.27 USN-7450-1
Ubuntu 24.04 LTS linux-gkeop 6.8.0-1010.12 USN-7450-1
Ubuntu 24.04 LTS linux-ibm 6.8.0-1024.24 USN-7449-1
Ubuntu 24.04 LTS linux-nvidia 6.8.0-1026.29 USN-7449-1
Ubuntu 24.04 LTS linux-nvidia-6.11 6.11.0-1007.7 —
Ubuntu 24.04 LTS linux-nvidia-lowlatency 6.8.0-1026.29.1 USN-7449-1
Ubuntu 24.04 LTS linux-nvidia-tegra 6.8.0-1008.8 —
Ubuntu 24.04 LTS linux-oem-6.11 6.11.0-1015.15 USN-7310-1
Ubuntu 24.04 LTS linux-oem-6.8 6.8.0-1026.26 USN-7449-1
Ubuntu 24.04 LTS linux-oracle 6.8.0-1024.25 USN-7449-1
Ubuntu 24.04 LTS linux-raspi 6.8.0-1028.32 USN-7524-1
Ubuntu 24.04 LTS linux-realtime +1 No fix yet —
Ubuntu 24.04 LTS linux-riscv +1 6.8.0-58.60.1 USN-7449-1
Ubuntu 24.04 LTS linux-xilinx 6.8.0-1017.18 —
Ubuntu 22.04 LTS linux +1 5.15.0-164.174 USN-7928-1
Ubuntu 22.04 LTS linux-aws 5.15.0-1098.105 USN-7928-1
Ubuntu 22.04 LTS linux-aws-6.8 6.8.0-1027.29~22.04.1 USN-7451-1
Ubuntu 22.04 LTS linux-azure 5.15.0-1102.111 USN-7928-1
Ubuntu 22.04 LTS linux-azure-6.8 6.8.0-1027.32~22.04.1 USN-7449-1
Ubuntu 22.04 LTS linux-azure-fde 5.15.0-1102.111.1 —
Ubuntu 22.04 LTS linux-gcp 5.15.0-1098.107 USN-7928-1
Ubuntu 22.04 LTS linux-gcp-6.8 6.8.0-1028.30~22.04.1 USN-7452-1
Ubuntu 22.04 LTS linux-gke 5.15.0-1094.100 USN-7928-1
Ubuntu 22.04 LTS linux-gkeop 5.15.0-1081.89 USN-7928-1
Ubuntu 22.04 LTS linux-hwe-6.8 6.8.0-58.60~22.04.1 USN-7449-2
Ubuntu 22.04 LTS linux-ibm +1 5.15.0-1092.95 USN-7928-4, USN-7928-1
Ubuntu 22.04 LTS linux-ibm-6.8 6.8.0-1024.24~22.04.1 —
Ubuntu 22.04 LTS linux-intel-iotg 5.15.0-1093.99 USN-7928-1
Ubuntu 22.04 LTS linux-kvm 5.15.0-1090.95 USN-7928-5
Ubuntu 22.04 LTS linux-nvidia 5.15.0-1093.94 USN-7928-1
Ubuntu 22.04 LTS linux-nvidia-6.8 6.8.0-1026.29~22.04.1 USN-7449-1
Ubuntu 22.04 LTS linux-nvidia-tegra 5.15.0-1050.50 USN-7928-1
Ubuntu 22.04 LTS linux-nvidia-tegra-igx 5.15.0-1039.39 USN-7928-1
Ubuntu 22.04 LTS linux-oracle 5.15.0-1095.101 USN-7928-1
Ubuntu 22.04 LTS linux-oracle-6.8 6.8.0-1024.25~22.04.1 USN-7449-1
Ubuntu 22.04 LTS linux-riscv +32 No fix yet —
Ubuntu 22.04 LTS linux-riscv-6.8 +1 6.8.0-58.60.1~22.04.1 USN-7449-1
Ubuntu 22.04 LTS linux-xilinx-zynqmp 5.15.0-1062.66 USN-7928-1
Ubuntu 20.04 LTS linux-gke +28 No fix yet —
Ubuntu 18.04 LTS linux-gcp +14 No fix yet —
Show 14 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
Ubuntu 16.04 LTS linux-hwe-edge No fix yet —
Ubuntu Pro Realtime 24.04 LTS linux-raspi-realtime 6.8.0-2023.24 USN-7523-1
Ubuntu Pro Realtime 24.04 LTS linux-realtime 6.8.1-1020.21 USN-7453-1
Ubuntu Pro Realtime 22.04 LTS linux-intel-iot-realtime 5.15.0-1090.92 USN-7928-3
Ubuntu Pro Realtime 22.04 LTS linux-realtime 5.15.0-1097.106 USN-7928-3
Ubuntu Pro Realtime 22.04 LTS linux-realtime-6.8 6.8.1-1020.21~22.04.1 —
Ubuntu Pro FIPS 20.04 LTS linux-fips +3 No fix yet —
Ubuntu Pro FIPS 18.04 LTS linux-fips +3 No fix yet —
Ubuntu Pro FIPS-updates 24.04 LTS linux-fips 6.8.0-78.78+fips1 —
Ubuntu Pro FIPS-updates 22.04 LTS linux-aws-fips 5.15.0-1098.105+fips1 USN-7928-2
Ubuntu Pro FIPS-updates 22.04 LTS linux-azure-fips 5.15.0-1102.111+fips1 USN-7928-2
Ubuntu Pro FIPS-updates 22.04 LTS linux-fips 5.15.0-164.174+fips1 USN-7928-2
Ubuntu Pro FIPS-updates 22.04 LTS linux-gcp-fips 5.15.0-1098.107+fips1 USN-7928-2
Ubuntu Pro FIPS-updates 20.04 LTS linux-aws-fips 5.4.0-1153.163+fips1 USN-7922-2
Ubuntu Pro FIPS-updates 20.04 LTS linux-azure-fips 5.4.0-1157.164+fips1 USN-7939-2
Ubuntu Pro FIPS-updates 20.04 LTS linux-fips 5.4.0-1127.137 USN-7922-2
Ubuntu Pro FIPS-updates 20.04 LTS linux-gcp-fips 5.4.0-1156.165+fips1 USN-7922-2
Ubuntu Pro FIPS-updates 18.04 LTS linux-aws-fips 4.15.0-2125.131 USN-7907-2
Ubuntu Pro FIPS-updates 18.04 LTS linux-azure-fips 4.15.0-2104.110 USN-7937-1
Ubuntu Pro FIPS-updates 18.04 LTS linux-fips 4.15.0-1142.154 USN-7907-2
Ubuntu Pro FIPS-updates 18.04 LTS linux-gcp-fips 4.15.0-2088.94 USN-7907-4
Ubuntu Pro FIPS-preview 22.04 LTS linux-fips +3 No fix yet —
Ubuntu Pro 20.04 LTS linux 5.4.0-224.244 USN-7922-1
Ubuntu Pro 20.04 LTS linux-aws 5.4.0-1153.163 USN-7922-1
Ubuntu Pro 20.04 LTS linux-aws-5.15 5.15.0-1098.105~20.04.1 USN-7928-1
Ubuntu Pro 20.04 LTS linux-azure 5.4.0-1156.163 USN-7939-1
Ubuntu Pro 20.04 LTS linux-azure-5.15 5.15.0-1102.111~20.04.1 USN-7938-1
Ubuntu Pro 20.04 LTS linux-bluefield 5.4.0-1112.119 —
Ubuntu Pro 20.04 LTS linux-gcp 5.4.0-1156.165 USN-7922-1
Ubuntu Pro 20.04 LTS linux-gcp-5.15 5.15.0-1098.107~20.04.1 USN-7928-1
Ubuntu Pro 20.04 LTS linux-hwe-5.15 +1 5.15.0-164.174~20.04.1 USN-7928-1
Ubuntu Pro 20.04 LTS linux-ibm 5.4.0-1099.104 USN-7922-1
Ubuntu Pro 20.04 LTS linux-ibm-5.15 5.15.0-1092.95~20.04.1 USN-7928-1
Ubuntu Pro 20.04 LTS linux-intel-iotg-5.15 5.15.0-1093.99~20.04.1 USN-7928-1
Ubuntu Pro 20.04 LTS linux-iot 5.4.0-1057.60 USN-7922-5
Ubuntu Pro 20.04 LTS linux-kvm 5.4.0-1140.149 USN-7922-1
Ubuntu Pro 20.04 LTS linux-nvidia-tegra-5.15 5.15.0-1050.50~20.04.1 USN-7928-1
Ubuntu Pro 20.04 LTS linux-oracle 5.4.0-1151.161 USN-7922-1
Ubuntu Pro 20.04 LTS linux-oracle-5.15 5.15.0-1095.101~20.04.1 USN-7928-1
Ubuntu Pro 20.04 LTS linux-raspi 5.4.0-1136.149 USN-7922-4
Ubuntu Pro 20.04 LTS linux-riscv-5.15 5.15.0-1093.97~20.04.2 —
Ubuntu Pro 20.04 LTS linux-xilinx-zynqmp 5.4.0-1071.75 USN-7922-1
Ubuntu Pro 18.04 LTS linux 4.15.0-245.257 USN-7907-1
Ubuntu Pro 18.04 LTS linux-aws 4.15.0-1187.200 USN-7907-1
Ubuntu Pro 18.04 LTS linux-aws-5.4 5.4.0-1153.163~18.04.1 USN-7922-1
Ubuntu Pro 18.04 LTS linux-azure-4.15 4.15.0-1195.210 USN-7907-5
Ubuntu Pro 18.04 LTS linux-azure-5.4 5.4.0-1156.163~18.04.1 USN-7939-1
Ubuntu Pro 18.04 LTS linux-gcp-4.15 4.15.0-1180.197 USN-7907-3
Ubuntu Pro 18.04 LTS linux-gcp-5.4 5.4.0-1156.165~18.04.1 USN-7922-1
Ubuntu Pro 18.04 LTS linux-hwe-5.4 5.4.0-224.244~18.04.1 USN-7922-1
Ubuntu Pro 18.04 LTS linux-ibm-5.4 5.4.0-1099.104~18.04.1 USN-7922-1
Ubuntu Pro 18.04 LTS linux-kvm 4.15.0-1169.174 USN-7907-1
Ubuntu Pro 18.04 LTS linux-oracle 4.15.0-1149.160 USN-7907-1
Ubuntu Pro 18.04 LTS linux-oracle-5.4 5.4.0-1151.161~18.04.1 USN-7922-3
Ubuntu Pro 18.04 LTS linux-raspi-5.4 5.4.0-1136.149~18.04.1 USN-7922-4
Ubuntu Pro 16.04 LTS linux-aws-hwe 4.15.0-1187.200~16.04.1 USN-7907-1
Ubuntu Pro 16.04 LTS linux-azure 4.15.0-1195.210~16.04.1 USN-7907-5
Ubuntu Pro 16.04 LTS linux-gcp 4.15.0-1180.197~16.04.1 USN-7907-3
Ubuntu Pro 16.04 LTS linux-hwe 4.15.0-245.257~16.04.1 USN-7907-3
Ubuntu Pro 16.04 LTS linux-oracle 4.15.0-1149.160~16.04.1 USN-7907-5
Ubuntu Pro 14.04 LTS linux-azure 4.15.0-1195.210~14.04.1 USN-7907-5
ReleasePackageFixed inAdvisory
RHEL 9 rv +75 5.14.0-611.5.1.el9_7 RHSA-2025:20518

AlmaLinux

Errata ↗
ReleasePackageFixed inAdvisory
AlmaLinux 9 rv +73 5.14.0-611.5.1.el9_7 ALSA-2025:20518

Rocky Linux

Errata ↗
ReleasePackageFixed inAdvisory
Rocky Linux 9 kernel 5.14.0-611.5.1.el9_7 RLSA-2025:20518
ReleasePackageFixed inAdvisory
SLES 15 SP6 kernel-64kb +6 6.4.0-150600.23.33.1 SUSE-SU-2025:0154-1
SLES 15 SP6 kernel-azure +2 6.4.0-150600.8.23.1 SUSE-SU-2025:0117-1
SLES 15 SP6 kernel-coco +3 6.4.0-15061.12.coco15sp6.1 SUSE-SU-2025:0289-1
SLES 15 SP6 kernel-default-base 6.4.0-150600.23.33.1.150600.12.14.1 SUSE-SU-2025:0154-1
SLES 15 SP5 kernel-64kb +6 5.14.21-150500.55.91.1 SUSE-SU-2025:0201-2, SUSE-SU-2025:0201-1
SLES 15 SP5 kernel-default-base 5.14.21-150500.55.91.1.150500.6.41.1 SUSE-SU-2025:0201-2, SUSE-SU-2025:0201-1
Show 8 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
SLES for SAP 15 SP5 kernel-default-base 5.14.21-150500.55.91.1.150500.6.41.1 SUSE-SU-2025:0201-2, SUSE-SU-2025:0201-1
SLES for SAP 15 SP5 kernel-docs +4 5.14.21-150500.55.91.1 SUSE-SU-2025:0201-2, SUSE-SU-2025:0201-1
SLE Micro 6.1 kernel-default-base 6.4.0-24.1.21.4 SUSE-SU-2025:20248-1
SLE Micro 6.1 kernel-livepatch-MICRO-6-0-RT_Update_5 1-1.1 SUSE-SU-2025:20249-1
SLE Micro 6.1 kernel-livepatch-MICRO-6-0_Update_5 1-1.2 SUSE-SU-2025:20248-1
SLE Micro 6.1 kernel-rt +4 6.4.0-25.1 SUSE-SU-2025:20249-1, SUSE-SU-2025:20248-1
SLE Micro 6.0 kernel-default-base 6.4.0-24.1.21.4 SUSE-SU-2025:20165-1
SLE Micro 6.0 kernel-livepatch-MICRO-6-0-RT_Update_5 1-1.1 SUSE-SU-2025:20166-1
SLE Micro 6.0 kernel-livepatch-MICRO-6-0_Update_5 1-1.2 SUSE-SU-2025:20165-1
SLE Micro 6.0 kernel-rt +4 6.4.0-25.1 SUSE-SU-2025:20166-1, SUSE-SU-2025:20165-1
SLE Micro 5.5 kernel-default 5.14.21-150500.55.91.1 SUSE-SU-2025:0201-1
SLE Micro 5.5 kernel-default-base 5.14.21-150500.55.91.1.150500.6.41.1 SUSE-SU-2025:0201-1
SLE Micro 5.5 kernel-rt +1 5.14.21-150500.13.82.1 SUSE-SU-2025:0229-1
SLE Live Patching 15 SP6 kernel-default 6.4.0-150600.23.33.1 SUSE-SU-2025:0154-1
SLE Live Patching 15 SP6 kernel-livepatch-SLE15-SP6-RT_Update_7 1-150600.1.3.1 SUSE-SU-2025:0153-1
SLE Live Patching 15 SP6 kernel-livepatch-SLE15-SP6_Update_7 1-150600.13.3.1 SUSE-SU-2025:0154-1
SLE Live Patching 15 SP5 kernel-default 5.14.21-150500.55.91.1 SUSE-SU-2025:0201-1
SLE Live Patching 15 SP5 kernel-livepatch-SLE15-SP5_Update_22 1-150500.11.3.1 SUSE-SU-2025:0201-1
SLE HPC 15 SP5 kernel-64kb +5 5.14.21-150500.55.91.1 SUSE-SU-2025:0201-2, SUSE-SU-2025:0201-1
SLE HPC 15 SP5 kernel-default-base 5.14.21-150500.55.91.1.150500.6.41.1 SUSE-SU-2025:0201-2, SUSE-SU-2025:0201-1
SUSE Real Time Module 15 SP6 kernel-rt +3 6.4.0-150600.10.23.1 SUSE-SU-2025:0153-1
ReleasePackageFixed inAdvisory
openSUSE Leap 15.6 dtb-aarch64 +10 6.4.0-150600.23.33.1 SUSE-SU-2025:0154-1
openSUSE Leap 15.6 kernel-azure +2 6.4.0-150600.8.23.1 SUSE-SU-2025:0117-1
openSUSE Leap 15.6 kernel-default-base 6.4.0-150600.23.33.1.150600.12.14.1 SUSE-SU-2025:0154-1
openSUSE Leap 15.6 kernel-rt +3 6.4.0-150600.10.23.1 SUSE-SU-2025:0153-1

Azure Linux

ReleasePackageFixed inAdvisory
Azure Linux 3 kernel No fix yet —
Azure Linux 2 (CBL-Mariner) kernel No fix yet —

Advisories 45

References