Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: usbnet: Prevents free active kevent The root causes of this issue are as follows: 1. When probing the usbnet device and executing usbnetlinkchangedev, 0, 0, the kevent operation is placed in the global workqueue. However, the...

CVE-2026-74548

In the Linux kernel, the following vulnerability has been resolved: forcedeth: fix UAF of txrxstats in nvremove nvremove frees the per-CPU txrxstats before unregisternetdev. Until unregister completes, ndogetstats64, the NAPI/xmit data path, and nvclose/drain may still access txrxstats, leading t...

UBUNTU-CVE-2026-74548

In the Linux kernel, the following vulnerability has been resolved: forcedeth: fix UAF of txrxstats in nvremove nvremove frees the per-CPU txrxstats before unregisternetdev. Until unregister completes, ndogetstats64, the NAPI/xmit data path, and nvclose/drain may still access txrxstats, leading t...

CVE-2026-74548

In the Linux kernel, the following vulnerability has been resolved: forcedeth: fix UAF of txrxstats in nvremove nvremove frees the per-CPU txrxstats before unregisternetdev. Until unregister completes, ndogetstats64, the NAPI/xmit data path, and nvclose/drain may still access txrxstats, leading t...

CVE-2026-74548 forcedeth: fix UAF of txrx_stats in nv_remove

In the Linux kernel, the following vulnerability has been resolved: forcedeth: fix UAF of txrxstats in nvremove nvremove frees the per-CPU txrxstats before unregisternetdev. Until unregister completes, ndogetstats64, the NAPI/xmit data path, and nvclose/drain may still access txrxstats, leading t...

CVE-2026-74548

CVE-2026-74548 affects the Linux kernel’s forcedeth driver, where nv_remove() frees per-CPU txrx_stats before unregister_netdev(), allowing a use-after-free for txrx_stats accessed by ndo_get_stats64, the NAPI/xmit data path, and nv_close()/drain until unregistration completes. The fix delays fre...

CVE-2026-74548 forcedeth: fix UAF of txrx_stats in nv_remove

In the Linux kernel, the following vulnerability has been resolved: forcedeth: fix UAF of txrxstats in nvremove nvremove frees the per-CPU txrxstats before unregisternetdev. Until unregister completes, ndogetstats64, the NAPI/xmit data path, and nvclose/drain may still access txrxstats, leading t...

UBUNTU-CVE-2026-68321

In the Linux kernel, the following vulnerability has been resolved: net: txgbe: fix FDIR filter leak on remove Perfect FDIR filters can be added while the interface is down and are kept on the software list for later restore. unregisternetdev only calls ndostop when the device is up, so...

CVE-2026-68321 net: txgbe: fix FDIR filter leak on remove

In the Linux kernel, the following vulnerability has been resolved: net: txgbe: fix FDIR filter leak on remove Perfect FDIR filters can be added while the interface is down and are kept on the software list for later restore. unregisternetdev only calls ndostop when the device is up, so...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net: usb: lan78xx: Fix for the WARN message triggered in netifnapidellocked when a USB device is disconnected The redundant call to netifnapidel was removed from the disconnect path. A WARN message may be triggered in...

CVE-2022-49501 usbnet: Run unregister_netdev() before unbind() again

In the Linux kernel, the following vulnerability has been resolved: usbnet: Run unregisternetdev before unbind again Commit 2c9d6c2b871d "usbnet: run unbind before unregisternetdev" sought to fix a use-after-free on disconnect of USB Ethernet adapters. It turns out that a different fix is necessa...

CVE-2022-49501 usbnet: Run unregister_netdev() before unbind() again

In the Linux kernel, the following vulnerability has been resolved: usbnet: Run unregisternetdev before unbind again Commit 2c9d6c2b871d "usbnet: run unbind before unregisternetdev" sought to fix a use-after-free on disconnect of USB Ethernet adapters. It turns out that a different fix is necessa...

CVE-2022-49501

In the Linux kernel, the following vulnerability has been resolved: usbnet: Run unregisternetdev before unbind again Commit 2c9d6c2b871d "usbnet: run unbind before unregisternetdev" sought to fix a use-after-free on disconnect of USB Ethernet adapters. It turns out that a different fix is necessa...

CVE-2022-48914

In the Linux kernel, the following vulnerability has been resolved: xen/netfront: destroy queues before realnumtxqueues is zeroed xennetdestroyqueues relies on info-netdev-realnumtxqueues to delete queues. Since d7dac083414eb5bb99a6d2ed53dc2c1b405224e5 "net-sysfs: update the queue counts in the...

CVE-2022-48914

In the Linux kernel, the following vulnerability has been resolved: xen/netfront: destroy queues before realnumtxqueues is zeroed xennetdestroyqueues relies on info-netdev-realnumtxqueues to delete queues. Since d7dac083414eb5bb99a6d2ed53dc2c1b405224e5 "net-sysfs: update the queue counts in the...

CVE-2022-48914 xen/netfront: destroy queues before real_num_tx_queues is zeroed

In the Linux kernel, the following vulnerability has been resolved: xen/netfront: destroy queues before realnumtxqueues is zeroed xennetdestroyqueues relies on info-netdev-realnumtxqueues to delete queues. Since d7dac083414eb5bb99a6d2ed53dc2c1b405224e5 "net-sysfs: update the queue counts in the...

CVE-2022-48914 xen/netfront: destroy queues before real_num_tx_queues is zeroed

In the Linux kernel, the following vulnerability has been resolved: xen/netfront: destroy queues before realnumtxqueues is zeroed xennetdestroyqueues relies on info-netdev-realnumtxqueues to delete queues. Since d7dac083414eb5bb99a6d2ed53dc2c1b405224e5 "net-sysfs: update the queue counts in the...

CVE-2022-48914

In the Linux kernel, the following vulnerability has been resolved: xen/netfront: destroy queues before realnumtxqueues is zeroed xennetdestroyqueues relies on info-netdev-realnumtxqueues to delete queues. Since d7dac083414eb5bb99a6d2ed53dc2c1b405224e5 "net-sysfs: update the queue counts in the...

CVE-2021-47479 staging: rtl8712: fix use-after-free in rtl8712_dl_fw

In the Linux kernel, the following vulnerability has been resolved: staging: rtl8712: fix use-after-free in rtl8712dlfw Syzbot reported use-after-free in rtl8712dlfw. The problem was in race condition between r871xudevremove -ndoopen callback. It's easy to see from crash log, that driver accesses...

CVE-2021-47235 net: ethernet: fix potential use-after-free in ec_bhf_remove

In the Linux kernel, the following vulnerability has been resolved: net: ethernet: fix potential use-after-free in ecbhfremove static void ecbhfremovestruct pcidev dev ... struct ecbhfpriv priv = netdevprivnetdev; unregisternetdevnetdev; freenetdevnetdev; pciiounmapdev, priv-dmaio; pciiounmapdev,...