CVE-2025-21806

CVE-2025-21806 : Linux kernel vulnerability in net.core.dev_weight where setting dev_weight to 0 can cause NAPI backlog processing to misbehave and napi to be re-polled repeatedly, potentially triggering a stall until softirq timeout. Reproducing issue: sysctl -w net.core.dev_weight=0 followed by...

CVE-2025-21806 net: let net.core.dev_weight always be non-zero

In the Linux kernel, the following vulnerability has been resolved: net: let net.core.devweight always be non-zero The following problem was encountered during stability test: NULL netdevice: NAPI poll function processbacklog+0x0/0x530 \ returned 1, exceeding its budget of 0. ------------ cut her...

SUSE CVE-2022-49131

In the Linux kernel, the following vulnerability has been resolved: ath11k: fix kernel panic during unload/load ath11k modules Call netifnapidel from ath11kahbfreeextirq to fix the following kernel panic when unload/load ath11k modules for few iterations. 971.201365 Unable to handle kernel paging...

CVE-2022-49672

In the Linux kernel, the following vulnerability has been resolved: net: tun: unlink NAPI from device on destruction Syzbot found a race between tun file and device destruction. NAPIs live in struct tunfile which can get destroyed before the netdev so we have to del them explicitly. The current...

UBUNTU-CVE-2022-49131

In the Linux kernel, the following vulnerability has been resolved: ath11k: fix kernel panic during unload/load ath11k modules Call netifnapidel from ath11kahbfreeextirq to fix the following kernel panic when unload/load ath11k modules for few iterations. 971.201365 Unable to handle kernel paging...

CVE-2022-49672

CVE-2022-49672 affects the Linux kernel tun/tun.c: a race can occur during destruction where NAPI objects linked in struct tun_file may be destroyed before the netdev they reference. The vulnerability arises because NAPIs are not deleted when the queue is detached, allowing a race between the tun...

CVE-2022-49672 net: tun: unlink NAPI from device on destruction

In the Linux kernel, the following vulnerability has been resolved: net: tun: unlink NAPI from device on destruction Syzbot found a race between tun file and device destruction. NAPIs live in struct tunfile which can get destroyed before the netdev so we have to del them explicitly. The current...

CVE-2022-49672 net: tun: unlink NAPI from device on destruction

In the Linux kernel, the following vulnerability has been resolved: net: tun: unlink NAPI from device on destruction Syzbot found a race between tun file and device destruction. NAPIs live in struct tunfile which can get destroyed before the netdev so we have to del them explicitly. The current...

CVE-2022-49672

In the Linux kernel, the following vulnerability has been resolved: net: tun: unlink NAPI from device on destruction Syzbot found a race between tun file and device destruction. NAPIs live in struct tunfile which can get destroyed before the netdev so we have to del them explicitly. The current...

PT-2025-8059

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 5.4.89 Description A kernel panic issue has been resolved in the Linux kernel. The problem occurred during the unload and load of ath11k modules, causing a kernel panic due to an internal error. The issue was...

CVE-2022-49672: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: net: tun: unlink NAPI from device on destruction Syzbot found a race between tun file and device destruction. NAPIs live in struct tunfile which can get destroyed before the netdev so we have to del them explicitly. The current...

PT-2025-13227

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.14.0-smp-DEV 1697 Description The issue is related to the idpf rx rsc function in the Linux kernel, which uses skb transport offsetskb before the transport header is set. This triggers a warning for CONFIG DEBU...

PT-2025-13177

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to the fixed version Description A vulnerability in the Linux kernel has been resolved, related to the usage of small head cache with large MAX SKB FRAGS values. The issue was reported by Sabrina and is associated...

CLSA-2025-1738853271 Fix of 54 CVEs

CVE-url: https://ubuntu.com/security/CVE-2024-26595 - mlxsw: spectrumacltcam: Fix NULL pointer dereference in error path CVE-url: https://ubuntu.com/security/CVE-2024-38553/CVE-2024-38597 - netpoll: make ndopollcontroller optional - bonding: use netpollpolldev helper - netpoll: do not test...

CLSA-2025-1738852812 Fix of 54 CVEs

CVE-url: https://ubuntu.com/security/CVE-2024-26595 - mlxsw: spectrumacltcam: Fix NULL pointer dereference in error path CVE-url: https://ubuntu.com/security/CVE-2024-38553/CVE-2024-38597 - netpoll: make ndopollcontroller optional - bonding: use netpollpolldev helper - netpoll: do not test...

Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP5 RT kernel was updated to receive various security bugfixes. The following security bugs were fixed: CVE-2022-36280: Fixed out-of-bounds memory access vulnerability found in vmwgfx driver bsc1203332. CVE-2022-48742: rtnetlink: make sure to refresh masterdev/mops in...

CVE-2025-21659

In the Linux kernel, the following vulnerability has been resolved: netdev: prevent accessing NAPI instances from another namespace The NAPI IDs were not fully exposed to user space prior to the netlink API, so they were never namespaced. The netlink API must ensure that at the very least NAPI...

DEBIAN-CVE-2025-21659

In the Linux kernel, the following vulnerability has been resolved: netdev: prevent accessing NAPI instances from another namespace The NAPI IDs were not fully exposed to user space prior to the netlink API, so they were never namespaced. The netlink API must ensure that at the very least NAPI...

CVE-2025-21659

In the Linux kernel, the following vulnerability has been resolved: netdev: prevent accessing NAPI instances from another namespace The NAPI IDs were not fully exposed to user space prior to the netlink API, so they were never namespaced. The netlink API must ensure that at the very least NAPI...

UBUNTU-CVE-2025-21659

In the Linux kernel, the following vulnerability has been resolved: netdev: prevent accessing NAPI instances from another namespace The NAPI IDs were not fully exposed to user space prior to the netlink API, so they were never namespaced. The netlink API must ensure that at the very least NAPI...