vulnerability

Ubuntu: (CVE-2022-50096): linux vulnerability

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Severity
5
CVSS
(AV:L/AC:L/Au:S/C:N/I:N/A:C)
Published
Jun 18, 2025
Added
Jun 26, 2025
Modified
Nov 20, 2025

Description

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

x86/kprobes: Update kcb status flag after singlestepping

Fix kprobes to update kcb (kprobes control block) status flag to
KPROBE_HIT_SSDONE even if the kp->post_handler is not set.

This bug may cause a kernel panic if another INT3 user runs right
after kprobes because kprobe_int3_handler() misunderstands the
INT3 is kprobe's single stepping INT3.

Solutions

ubuntu-upgrade-linuxubuntu-upgrade-linux-awsubuntu-upgrade-linux-aws-5-15ubuntu-upgrade-linux-azureubuntu-upgrade-linux-azure-5-15ubuntu-upgrade-linux-gcpubuntu-upgrade-linux-gcp-5-15ubuntu-upgrade-linux-gkeubuntu-upgrade-linux-gkeopubuntu-upgrade-linux-hwe-5-15ubuntu-upgrade-linux-ibmubuntu-upgrade-linux-intel-iotgubuntu-upgrade-linux-intel-iotg-5-15ubuntu-upgrade-linux-kvmubuntu-upgrade-linux-lowlatencyubuntu-upgrade-linux-lowlatency-hwe-5-15ubuntu-upgrade-linux-nvidiaubuntu-upgrade-linux-oracleubuntu-upgrade-linux-oracle-5-15ubuntu-upgrade-linux-raspiubuntu-upgrade-linux-realtimeubuntu-upgrade-linux-riscv-5-15

References

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