CVE-2025-37928 dm-bufio: don't schedule in atomic context

In the Linux kernel, the following vulnerability has been resolved: dm-bufio: don't schedule in atomic context A BUG was reported as below when CONFIGDEBUGATOMICSLEEP and tryverifyintasklet are enabled. 129.444685 T934 BUG: sleeping function called from invalid context at drivers/md/dm-bufio.c:24...

CVE-2025-37915

CVE-2025-37915 affects the Linux kernel’s net_sched code, specifically the drr scheduler when a netem child qdisc is involved. The issue was a double addition of the same classifier to the active_list, which could cause memory corruption due to reentrancy in the parent qdisc enqueue path (not a U...

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 race condition in the ublk module between command cancel and task job scheduling, which could cause the...

SUSE 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...

USN-7516-1 linux, linux-azure-5.4, linux-gcp, linux-gcp-5.4, linux-oracle vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - ARM64 architecture; - PowerPC architecture; - Block layer subsystem; - Drivers core; - Network block device driver;...

DEBIAN-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...

kernel: net/sched: accept TCA_STAB only for root qdisc

In the Linux kernel, the following vulnerability has been resolved: net/sched: accept TCASTAB only for root qdisc Most qdiscs maintain their backlog using qdiscpktlenskb on the assumption it is invariant between the enqueue and dequeue handlers. Unfortunately syzbot can crash a host rather easily...

kernel: net: sched: fix use-after-free in taprio_change()

In the Linux kernel, the following vulnerability has been resolved: net: sched: fix use-after-free in tapriochange In 'tapriochange', 'admin' pointer may become dangling due to sched switch / removal caused by 'advancesched', and critical section protected by 'q-currententrylock' is too small to...

kernel: net/sched: sch_api: fix xa_insert() error path in tcf_block_get_ext()

In the Linux kernel, the following vulnerability has been resolved: net/sched: schapi: fix xainsert error path in tcfblockgetext This command: $ tc qdisc replace dev eth0 ingressblock 1 egressblock 1 clsact Error: block dev insert failed: -EBUSY. fails because user space requests the same block...

Important: kernel

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: smb: client: fix potential UAF in cifsdumpfullkey CVE-2024-35866 In the Linux kernel, the following vulnerability has been resolved: netfilter: nfconncount: Fully initialize struct nfconncounttuple in inserttree...

The vulnerability of the net_sched component in the net/sched/sch_sfq.c module of the Linux operating system allows a hacker to execute arbitrary code.

The vulnerability of the netsched component in the net/sched/schsfq.c module of the Linux operating system is related to incorrect calculation of the index. Exploiting this vulnerability allows a remote attacker to execute arbitrary code...

EulerOS 2.0 SP10 : kernel (EulerOS-SA-2025-1520)

According to the versions of the kernel packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : cifs: Fix UAF in cifsdemultiplexthread.CVE-2023-52572 xsk: fix OOB map writes when deleting elementsCVE-2024-56614 net: defer final 'struct net'...

CVE-2025-37880 um: work around sched_yield not yielding in time-travel mode

In the Linux kernel, the following vulnerability has been resolved: um: work around schedyield not yielding in time-travel mode schedyield by a userspace may not actually cause scheduling in time-travel mode as no time has passed. In the case seen it appears to be a badly implemented userspace...

CVE-2025-37859

In the Linux kernel, the following vulnerability has been resolved: pagepool: avoid infinite loop to schedule delayed worker We noticed the kworker in pagepoolreleaseretry was waken up repeatedly and infinitely in production because of the buggy driver causing the inflight less than 0 and warning...

SUSE CVE-2020-36791

In the Linux kernel, the following vulnerability has been resolved: netsched: keep allochash updated after hash allocation In commit 599be01ee567 "netsched: fix an OOB access in clstcindex" I moved cp-hash calculation before the first tcindexallocperfecthash, but cp-allochash is left untouched...

The vulnerability of the tcf_ct_handle_fragments() function in the net/sched/act_ct.c module of the net/sched/networking subsystem of the Linux operating system allows a attacker to compromise the confidentiality, integrity, and accessibility of the protected information.

The vulnerability of the tcfcthandlefragments function in the net/sched/actct.c module of the net/sched/networking subsystem of the Linux operating system is related to insufficient checking of exceptional states. Exploiting this vulnerability could allow an attacker to compromise the...

PT-2025-22889

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The issue concerns a NULL pointer dereference in the Linux kernel's net sched component. When reducing a qdisc's limit via the -change operation, only the main skb queue was trimmed,...

DEBIAN-CVE-2025-37823

In the Linux kernel, the following vulnerability has been resolved: netsched: hfsc: Fix a potential UAF in hfscdequeue too Similarly to the previous patch, we need to safe guard hfscdequeue too. But for this one, we don't have a reliable reproducer...

PT-2025-20350 · Linux +1 · Linux Kernel +1

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: A vulnerability in the Linux kernel has been resolved, which was caused by a code path in dequeue entities that could set the slice of a sched entity to U64 MAX, resulting in a crash...

DEBIAN-CVE-2020-36791

In the Linux kernel, the following vulnerability has been resolved: netsched: keep allochash updated after hash allocation In commit 599be01ee567 "netsched: fix an OOB access in clstcindex" I moved cp-hash calculation before the first tcindexallocperfecthash, but cp-allochash is left untouched...