CVE-2025-21921 net: ethtool: netlink: Allow NULL nlattrs when getting a phy_device

In the Linux kernel, the following vulnerability has been resolved: net: ethtool: netlink: Allow NULL nlattrs when getting a phydevice ethnlreqgetphydev is used to lookup a phydevice, in the case an ethtool netlink command targets a specific phydev within a netdev's topology. It takes as a...

CVE-2025-21921

CVE-2025-21921: In the Linux kernel, net: ethtool: netlink: Allow NULL nlattrs when getting a phy_device, the crash occurs in ethnl_req_get_phydev() when tb is NULL (e.g., ethnl notify path) and a phy_device lookup is performed. The fix passes the cmd index and nlattr array separately to allow NU...

CVE-2025-21921 net: ethtool: netlink: Allow NULL nlattrs when getting a phy_device

In the Linux kernel, the following vulnerability has been resolved: net: ethtool: netlink: Allow NULL nlattrs when getting a phydevice ethnlreqgetphydev is used to lookup a phydevice, in the case an ethtool netlink command targets a specific phydev within a netdev's topology. It takes as a...

SUSE CVE-2023-53000

In the Linux kernel, the following vulnerability has been resolved: netlink: prevent potential spectre v1 gadgets Most netlink attributes are parsed and validated from nlavalidateparse or validatenla u16 type = nlatypenla; if type == 0 || type maxtype / error or continue / @type is then used as a...

SUSE CVE-2025-21875

In the Linux kernel, the following vulnerability has been resolved: mptcp: always handle address removal under msk socket lock Syzkaller reported a lockdep splat in the PM control path: WARNING: CPU: 0 PID: 6693 at ./include/net/sock.h:1711 sockownedbyme include/net/sock.h:1711 inline WARNING: CP...

USN-7383-2 linux-realtime 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; - x86 architecture; - Block layer subsystem; - Drivers core; - Ublk userspace block driver; -...

USN-7383-1 linux, linux-aws, linux-gcp, linux-gcp-6.8, linux-gke, linux-gkeop, linux-lowlatency, linux-lowlatency-hwe-6.8, linux-nvidia, linux-nvidia-6.8, linux-nvidia-lowlatency, linux-oracle, linux-oracle-6.8 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; - x86 architecture; - Block layer subsystem; - Drivers core; - Ublk userspace block driver; -...

DEBIAN-CVE-2023-53000

In the Linux kernel, the following vulnerability has been resolved: netlink: prevent potential spectre v1 gadgets Most netlink attributes are parsed and validated from nlavalidateparse or validatenla u16 type = nlatypenla; if type == 0 || type maxtype / error or continue / @type is then used as a...

CVE-2023-53000

In the Linux kernel, the following vulnerability has been resolved: netlink: prevent potential spectre v1 gadgets Most netlink attributes are parsed and validated from nlavalidateparse or validatenla u16 type = nlatypenla; if type == 0 || type maxtype / error or continue / @type is then used as a...

UBUNTU-CVE-2023-53000

In the Linux kernel, the following vulnerability has been resolved: netlink: prevent potential spectre v1 gadgets Most netlink attributes are parsed and validated from nlavalidateparse or validatenla u16 type = nlatypenla; if type == 0 || type maxtype / error or continue / @type is then used as a...

CVE-2023-53000

CVE-2023-53000 is a Linux kernel vulnerability affecting the netlink attribute handling. The issue arises when the netlink attribute type (nla_type) is used as an index after validation, enabling a possible Spectre v1 gadget to leak kernel memory to a local attacker. The public description notes ...

CVE-2023-53000

In the Linux kernel, the following vulnerability has been resolved: netlink: prevent potential spectre v1 gadgets Most netlink attributes are parsed and validated from nlavalidateparse or validatenla u16 type = nlatypenla; if type == 0 || type maxtype / error or continue / @type is then used as a...

CVE-2023-53000 netlink: prevent potential spectre v1 gadgets

In the Linux kernel, the following vulnerability has been resolved: netlink: prevent potential spectre v1 gadgets Most netlink attributes are parsed and validated from nlavalidateparse or validatenla u16 type = nlatypenla; if type == 0 || type maxtype / error or continue / @type is then used as a...

CVE-2023-53000 netlink: prevent potential spectre v1 gadgets

In the Linux kernel, the following vulnerability has been resolved: netlink: prevent potential spectre v1 gadgets Most netlink attributes are parsed and validated from nlavalidateparse or validatenla u16 type = nlatypenla; if type == 0 || type maxtype / error or continue / @type is then used as a...

SUSE-SU-2025:20164-1 Security update for the Linux Kernel

The SUSE Linux Enterprise Micro 6.0 and 6.1 kernel was updated to receive various security bugfixes. The following security bugs were fixed: - CVE-2023-52778: mptcp: deal with large GSO size bsc1224948. - CVE-2023-52920: bpf: support non-r10 register spill/fill to/from stack in precision tracking...

Security update for the Linux Kernel

The SUSE Linux Enterprise Micro 6.0 and 6.1 RT kernel was updated to receive various security bugfixes. The following security bugs were fixed: CVE-2023-52778: mptcp: deal with large GSO size bsc1224948. CVE-2023-52920: bpf: support non-r10 register spill/fill to/from stack in precision tracking...

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 Spectre v1 attack risk in netlink attribute parsing...

The vulnerability of the netlink component in the Linux operating system’s kernel allows a hacker to trigger a service failure.

The vulnerability of the netlink component in the Linux operating system’s kernel is related to double-freeing errors. Exploiting this vulnerability can allow an attacker to cause a service failure...

SUSE CVE-2025-21862

In the Linux kernel, the following vulnerability has been resolved: dropmonitor: fix incorrect initialization order Syzkaller reports the following bug: BUG: spinlock bad magic on CPU1, syz-executor.0/7995 lock: 0xffff88805303f3e0, .magic: 00000000, .owner: /-1, .ownercpu: 0 CPU: 1 PID: 7995 Comm...

CVE-2025-21862 drop_monitor: fix incorrect initialization order

In the Linux kernel, the following vulnerability has been resolved: dropmonitor: fix incorrect initialization order Syzkaller reports the following bug: BUG: spinlock bad magic on CPU1, syz-executor.0/7995 lock: 0xffff88805303f3e0, .magic: 00000000, .owner: /-1, .ownercpu: 0 CPU: 1 PID: 7995 Comm...