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Unscored CVE-2022-49798 EUVD-2025-12977GHSA-g26c-fp96-224v

tracing: Fix race where eprobes can be called before the event

Published May 1, 2025 · Updated May 11, 2026 · Assigned by Linux

Vendor: Linux Product: Linux 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-5.8 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-5.15 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-bluefield Package: linux-gcp 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-5.8 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 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-5.8 Package: linux-hwe-6.2 Package: linux-hwe-6.5 Package: linux-hwe-edge Package: linux-ibm Package: linux-intel-5.13 Package: linux-intel-iot-realtime Package: linux-intel-iotg Package: linux-intel-iotg-5.15 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-nvidia Package: linux-nvidia-6.2 Package: linux-nvidia-6.5 Package: linux-nvidia-tegra-5.15 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 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-5.8 Package: linux-oracle-6.5 Package: linux-raspi Package: linux-raspi-realtime Package: linux-raspi2 Package: linux-realtime 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-starfive-5.19 Package: linux-starfive-6.2 Package: linux-starfive-6.5 Package: linux-vmware Platform: Linux Ecosystem: Debian Ecosystem: Ubuntu

Description

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

tracing: Fix race where eprobes can be called before the event

The flag that tells the event to call its triggers after reading the event
is set for eprobes after the eprobe is enabled. This leads to a race where
the eprobe may be triggered at the beginning of the event where the record
information is NULL. The eprobe then dereferences the NULL record causing
a NULL kernel pointer bug.

Test for a NULL record to keep this from happening.

Affected products

VendorProductAffectedFixed
Linux Linux 5.15 5.15.80

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 6.0.10-1 —
Debian 13 linux 6.0.10-1 —
Debian 12 linux 6.0.10-1 —
ReleasePackageFixed inAdvisory
Ubuntu Nvidia-BlueField 22.04 LTS linux-bluefield 5.15.0-1014.16 —
Ubuntu 24.04 LTS linux-realtime +1 No fix yet —
Ubuntu 22.04 LTS linux +1 5.15.0-67.74 —
Ubuntu 22.04 LTS linux-aws 5.15.0-1031.35 —
Ubuntu 22.04 LTS linux-azure 5.15.0-1034.41 —
Ubuntu 22.04 LTS linux-azure-fde 5.15.0-1034.41.1 —
Ubuntu 22.04 LTS linux-gcp 5.15.0-1030.37 —
Ubuntu 22.04 LTS linux-gke 5.15.0-1028.33 —
Ubuntu 22.04 LTS linux-gkeop 5.15.0-1016.21 —
Ubuntu 22.04 LTS linux-ibm 5.15.0-1026.29 —
Ubuntu 22.04 LTS linux-intel-iotg 5.15.0-1026.31 —
Ubuntu 22.04 LTS linux-kvm 5.15.0-1029.34 —
Ubuntu 22.04 LTS linux-nvidia 5.15.0-1023.23 —
Ubuntu 22.04 LTS linux-oracle 5.15.0-1030.36 —
Ubuntu 22.04 LTS linux-raspi 5.15.0-1025.27 —
Ubuntu 22.04 LTS linux-riscv +31 No fix yet —
Ubuntu 20.04 LTS linux-aws-5.15 5.15.0-1031.35~20.04.1 —
Ubuntu 20.04 LTS linux-azure-5.15 5.15.0-1034.41~20.04.1 —
Ubuntu 20.04 LTS linux-gcp-5.15 5.15.0-1030.37~20.04.1 —
Ubuntu 20.04 LTS linux-gke +28 No fix yet —
Ubuntu 20.04 LTS linux-hwe-5.15 +1 5.15.0-67.74~20.04.1 —
Ubuntu 20.04 LTS linux-intel-iotg-5.15 5.15.0-1026.31~20.04.1 —
Ubuntu 20.04 LTS linux-nvidia-tegra-5.15 5.15.0-1014.14~20.04.1 —
Ubuntu 20.04 LTS linux-oracle-5.15 5.15.0-1030.36~20.04.1 —
Ubuntu 20.04 LTS linux-riscv-5.15 5.15.0-1030.34~20.04.1 —
Ubuntu 18.04 LTS linux-gcp +14 No fix yet —
Show 2 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
Ubuntu 16.04 LTS linux-hwe-edge No fix yet —
Ubuntu Pro Realtime 22.04 LTS linux-intel-iot-realtime 5.15.0-1022.27 —
Ubuntu Pro Realtime 22.04 LTS linux-realtime 5.15.0-1033.36 —

References