Security update for the Linux Kernel (Live Patch 23 for SLE 15 SP5)

This update for the Linux Kernel 5.14.21-1505005594 fixes several issues. The following security issues were fixed: CVE-2022-49080: mm/mempolicy: fix mpolnew leak in sharedpolicyreplace bsc1238324. CVE-2024-58013: Bluetooth: MGMT: Fix slab-use-after-free Read in mgmtremoveadvmonitorsync bsc123909...

UBUNTU-CVE-2025-38000

In the Linux kernel, the following vulnerability has been resolved: schhfsc: Fix qlen accounting bug when using peek in hfscenqueue When enqueuing the first packet to an HFSC class, hfscenqueue calls the child qdisc's peek operation before incrementing sch-q.qlen and sch-qstats.backlog. If the...

The vulnerability in the `net/sched/sch_hfsc.c` module of the Linux operating system allows a hacker to trigger a service failure.

The vulnerability in the net/sched/schhfsc.c module of the Linux operating system relates to the possibility of using memory after it is freed. Exploiting this vulnerability could allow an attacker to cause a service failure...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from the repeated insertion of classes into eltree in hfsc, which could lead to an infinite loop or UAF...

Vulnerability of the `bfq_check_ioprio_change()` and `__bfq_bic_change_cgroup()` functions in the Linux operating system, allowing a hacker to trigger a service failure

The vulnerability of the bfqcheckiopriochange and bfqbicchangecgroup functions in the Linux kernel is related to the use of memory after deallocation. Exploiting this vulnerability can allow an attacker to cause a service failure...

PT-2025-24274

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to the fix included in commit 141d34391abbb315d68556b7c67ad97885407547. Description The Linux kernel contains a vulnerability in the net sched subsystem, specifically within the HFSC Hierarchical Fair Queuing...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from a possible duplicate addition of classifiers by the qfq scheduler in the case of netem subqueues, which coul...

UBUNTU-CVE-2025-37890

In the Linux kernel, the following vulnerability has been resolved: netsched: hfsc: Fix a UAF vulnerability in class with netem as child qdisc As described in Gerrard's report 1, we have a UAF case when an hfsc class has a netem child qdisc. The crux of the issue is that hfsc is assuming that...

Data broker protection rule quietly withdrawn by CFPB

The Consumer Financial Protection Bureau CFPB has decided to withdraw a 2024 rule to limit the sale of Americans’ personal information by data brokers. In a Federal Register notice published yesterday, the CFPB said it "has determined that legislative rulemaking is not necessary or appropriate at...

kernel: block, bfq: fix possible UAF for bfqq->bic with merge chain

A flaw was found in the Budget Fair Queueing BFQ I/O scheduler in the Linux kernel. Handling merged chains of BFQ queues can cause a use-after-free condition and result in a denial of service...

The vulnerability of the detachtasks() function in the kernel/sched/fair.c module of the Linux operating system’s resource management subsystem allows a attacker to compromise the confidentiality and accessibility of protected information.

The vulnerability of the detachtasks function in the kernel/sched/fair.c module of the Linux operating system’s resource management subsystem is related to reading beyond the buffer boundaries. Exploiting this vulnerability could allow an attacker to compromise the confidentiality and accessibili...

sched/fair: Fix potential memory corruption in child_cfs_rq_on_list

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DEBIAN-CVE-2025-37797

In the Linux kernel, the following vulnerability has been resolved: netsched: hfsc: Fix a UAF vulnerability in class handling This patch fixes a Use-After-Free vulnerability in the HFSC qdisc class handling. The issue occurs due to a time-of-check/time-of-use condition in hfscchangeclass when...

CVE-2025-37797 net_sched: hfsc: Fix a UAF vulnerability in class handling

In the Linux kernel, the following vulnerability has been resolved: netsched: hfsc: Fix a UAF vulnerability in class handling This patch fixes a Use-After-Free vulnerability in the HFSC qdisc class handling. The issue occurs due to a time-of-check/time-of-use condition in hfscchangeclass when...

SUSE CVE-2025-37752

In the Linux kernel, the following vulnerability has been resolved: netsched: schsfq: move the limit validation It is not sufficient to directly validate the limit on the data that the user passes as it can be updated based on how the other parameters are changed. Move the check at the end of the...

UBUNTU-CVE-2025-37752

In the Linux kernel, the following vulnerability has been resolved: netsched: schsfq: move the limit validation It is not sufficient to directly validate the limit on the data that the user passes as it can be updated based on how the other parameters are changed. Move the check at the end of the...

ScaloWork: Useful Proof-Of-Work with Distributed Pool Mining

Bitcoin blockchain uses hash-based Proof-of-Work PoW that prevents unwanted participants from hogging the network resources. Anyone entering the mining game has to prove that they have expended a specific amount of computational power. However, the most popular Bitcoin blockchain consumes 175.87...

DEBIAN-CVE-2025-21919

In the Linux kernel, the following vulnerability has been resolved: sched/fair: Fix potential memory corruption in childcfsrqonlist childcfsrqonlist attempts to convert a 'prev' pointer to a cfsrq. This 'prev' pointer can originate from struct rq's leafcfsrqlist, making the conversion invalid and...

AZL-59919 CVE-2025-21919 affecting package kernel for versions less than 6.6.85.1-2

In the Linux kernel, the following vulnerability has been resolved: sched/fair: Fix potential memory corruption in childcfsrqonlist childcfsrqonlist attempts to convert a 'prev' pointer to a cfsrq. This 'prev' pointer can originate from struct rq's leafcfsrqlist, making the conversion invalid and...

UBUNTU-CVE-2025-21919

In the Linux kernel, the following vulnerability has been resolved: sched/fair: Fix potential memory corruption in childcfsrqonlist childcfsrqonlist attempts to convert a 'prev' pointer to a cfsrq. This 'prev' pointer can originate from struct rq's leafcfsrqlist, making the conversion invalid and...