EUVD-2020-4956

Malware in sbrugna...

CVE-2025-21631 block, bfq: fix waker_bfqq UAF after bfq_split_bfqq()

In the Linux kernel, the following vulnerability has been resolved: block, bfq: fix wakerbfqq UAF after bfqsplitbfqq Our syzkaller report a following UAF for v6.6: BUG: KASAN: slab-use-after-free in bfqinitrq+0x175d/0x17a0 block/bfq-iosched.c:6958 Read of size 8 at addr ffff8881b57147d8 by task...

CVE-2025-21631 block, bfq: fix waker_bfqq UAF after bfq_split_bfqq()

In the Linux kernel, the following vulnerability has been resolved: block, bfq: fix wakerbfqq UAF after bfqsplitbfqq Our syzkaller report a following UAF for v6.6: BUG: KASAN: slab-use-after-free in bfqinitrq+0x175d/0x17a0 block/bfq-iosched.c:6958 Read of size 8 at addr ffff8881b57147d8 by task...

RHEL 8 : kpatch-patch (RHSA-2020:2669)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2020:2669 advisory. This is a kernel live patch module which is automatically loaded by the RPM post-install script to modify the code of a running kernel. Security Fixe...

Amazon Linux 2 : kernel (ALAS-2020-1440)

The version of kernel installed on the remote host is prior to 4.14.177-139.253. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2-2020-1440 advisory. A flaw was found in the Linux kernel's implementation of the BFQ IO scheduler. This flaw allows a local user able ...

SUSE SLES12 Security Update : kernel (SUSE-SU-2020:1602-1)

The SUSE Linux Enterprise 12 SP5 kernel was updated to receive various security and bugfixes. The following security bugs were fixed : CVE-2020-0543: Fixed a side channel attack against special registers which could have resulted in leaking of read values to cores other than the one which called...

SUSE SLES12 Security Update : kernel (SUSE-SU-2020:1603-1)

The SUSE Linux Enterprise 12 SP4 Azure kernel was updated to receive various security and bugfixes. The following security bugs were fixed : CVE-2020-0543: Fixed a side channel attack against special registers which could have resulted in leaking of read values to cores other than the one which...

Arbitrary Code Execution

kernel is vulnerable to arbitrary code execution. The vulnerability exists through a use-after-free in block/bfq-iosched.c related to bfqidleslicetimerbody...

CVE-2020-12657

An issue was discovered in the Linux kernel before 5.6.5. There is a use-after-free in block/bfq-iosched.c related to bfqidleslicetimerbody...

Design/Logic Flaw

An issue was discovered in the Linux kernel before 5.6.5. There is a use-after-free in block/bfq-iosched.c related to bfqidleslicetimerbody...

CVE-2020-12657

CVE-2020-12657 affects the Linux kernel before 5.6.5 due to a use-after-free in bfq_idle_slice_timer_body within bfq-iosched.c. The connected advisories (Unity Linux UTSA-2026-00x, Red Hat RHSA/CESA entries, CentOS plugin references) confirm kernel versions impacted and reference the 5.6.5 patch/...

CVE-2020-12657

An issue was discovered in the Linux kernel before 5.6.5. There is a use-after-free in block/bfq-iosched.c related to bfqidleslicetimerbody...