The vulnerability of the tun_get_user() function in the drivers/net/tun.c file of the Linux kernel’s network device driver module allows a attacker to compromise the confidentiality, integrity, and accessibility of the protected information.

The vulnerability of the tungetuser function in the drivers/net/tun.c file of the Linux kernel’s network device driver module is related to the reutilization of previously freed memory. Exploiting this vulnerability could allow an attacker to compromise the confidentiality, integrity, and...

CLSA-2026-1773047152 kernel: Fix of 21 CVEs

i40e: fix IRQ freeing in i40evsirequestirqmsix error path CVE-2025-39911 - media: rc: fix races with imondisconnect CVE-2025-39993 - VMCI: fix race between vmcihostsetupnotify and vmcictxunsetnotify CVE-2025-38102 - partitions: mac: fix handling of bogus partition table CVE-2025-21772 - tracing:...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-005495)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-005495 advisory. In the Linux kernel, the following vulnerability has been resolved: igb: Do not bring the device up after non-fatal error Commit 004d25060c78 igb: Fix igbdown hung o...

PT-2026-22561

In wlan STA driver, there is a possible escalation of privilege due to a missing bounds check. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: WCNCR00473802; Issue ID:...

net: mscc: ocelot: Fix crash when adding interface under a lag

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Important: Red Hat Security Advisory: kernel-rt security update

An update for kernel-rt is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from...

SUSE SLES15 Security Update : kernel (SUSE-SU-2026:0587-1)

The remote SUSE Linux SLES15 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:0587-1 advisory. The SUSE Linux Enterprise 15 SP7 RT kernel was updated to fix various security issues The following security issues were fixed: - CVE-2023-5401...

CVE-2025-71234

CVE-2025-71234: Linux kernel rtl8xxxu slab-out-of-bounds in rtl8xxxu_sta_add fixed by setting hw->sta_data_size to sizeof(struct rtl8xxxu_sta_info) during probe to correctly allocate per-station data. Issue caused mac80211 to access sta->drv_priv beyond allocated space; KASAN showed a slab-...

kernel: Fix of 13 CVEs

fbdev: Fix vmalloc out-of-bounds write in fastimageblit CVE-2025-38685 - cnic: Fix use-after-free bugs in cnicdeletetask CVE-2025-39945 - scsi: bfa: Double-free fix CVE-2025-38699 - fbdev: fix potential buffer overflow in doregisterframebuffer CVE-2025-38702 - scsi: ses: Fix slab-out-of-bounds in...

UBUNTU-CVE-2026-23175

In the Linux kernel, the following vulnerability has been resolved: net: cpsw: Execute ndosetrxmode callback in a work queue Commit 1767bb2d47b7 "ipv6: mcast: Don't hold RTNL for IPV6ADDMEMBERSHIP and MCASTJOINGROUP." removed the RTNL lock for IPV6ADDMEMBERSHIP and MCASTJOINGROUP operations...

CVE-2026-23206 dpaa2-switch: prevent ZERO_SIZE_PTR dereference when num_ifs is zero

In the Linux kernel, the following vulnerability has been resolved: dpaa2-switch: prevent ZEROSIZEPTR dereference when numifs is zero The driver allocates arrays for ports, FDBs, and filter blocks using kcalloc with ethsw-swattr.numifs as the element count. When the device reports zero interfaces...

CVE-2026-23203 net: cpsw_new: Execute ndo_set_rx_mode callback in a work queue

In the Linux kernel, the following vulnerability has been resolved: net: cpswnew: Execute ndosetrxmode callback in a work queue Commit 1767bb2d47b7 "ipv6: mcast: Don't hold RTNL for IPV6ADDMEMBERSHIP and MCASTJOINGROUP." removed the RTNL lock for IPV6ADDMEMBERSHIP and MCASTJOINGROUP operations...

CVE-2026-23175 net: cpsw: Execute ndo_set_rx_mode callback in a work queue

In the Linux kernel, the following vulnerability has been resolved: net: cpsw: Execute ndosetrxmode callback in a work queue Commit 1767bb2d47b7 "ipv6: mcast: Don't hold RTNL for IPV6ADDMEMBERSHIP and MCASTJOINGROUP." removed the RTNL lock for IPV6ADDMEMBERSHIP and MCASTJOINGROUP operations...

CVE-2026-23175

In the Linux kernel, the following vulnerability has been resolved: net: cpsw: Execute ndosetrxmode callback in a work queue Commit 1767bb2d47b7 "ipv6: mcast: Don't hold RTNL for IPV6ADDMEMBERSHIP and MCASTJOINGROUP." removed the RTNL lock for IPV6ADDMEMBERSHIP and MCASTJOINGROUP operations...

EUVD-2026-5868

In the Linux kernel, the following vulnerability has been resolved: net: wwan: t7xx: fix potential skb-frags overflow in RX path When receiving data in the DPMAIF RX path, the t7xxdpmaifsetfragtoskb function adds page fragments to an skb without checking if the number of fragments has exceeded...

Linux Distros Unpatched Vulnerability : CVE-2026-23203

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - net: cpswnew: Execute ndosetrxmode callback in a work queue Commit 1767bb2d47b7 ipv6: mcast: Don't hold RTNL for IPV6ADDMEMBERSHIP and MCASTJOINGROUP. removed t...

kernel: net: atlantic: fix fragment overflow handling in RX path

An out-of-bounds write vulnerability was found in the Aquantia Atlantic network driver in the Linux kernel. When receiving packets that span more than MAXSKBFRAGS 17 fragments, the driver writes beyond the skb fragment array bounds in skbaddrxfrag, causing kernel memory corruption and panic...

The vulnerability of the virtnet_rq_alloc() function in the drivers/net/virtio_net.c module of the Linux kernel’s network device support driver allows a attacker to cause a service failure.

The vulnerability of the virtnetrqalloc function in the drivers/net/virtionet.c module of the Linux kernel’s network device support driver is related to incorrect calculation of the buffer size. Exploiting this vulnerability could allow an attacker to cause a service failure...

CVE-2026-23084

In the Linux kernel, the following vulnerability has been resolved: be2net: Fix NULL pointer dereference in becmdgetmacfromlist When the parameter pmacidvalid argument of becmdgetmacfromlist is set to false, the driver may request the PMACID from the firmware of the network card, and this functio...

EUVD-2026-5492

In the Linux kernel, the following vulnerability has been resolved: net: hvnetvsc: reject RSS hash key programming without RX indirection table RSS configuration requires a valid RX indirection table. When the device reports a single receive queue, rndisfilterdeviceadd does not allocate an...