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 failure to acquire an RTNL lock before calling xdpsetfeatures, which could result in a null pointer...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-987265)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-987265 advisory. In the Linux kernel, the following vulnerability has been resolved: ethtool: do not perform operations on net devices being unregistered There is a short period...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-986582)

"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-986582 advisory. In the Linux kernel, the following vulnerability has been resolved: net: netlink: afnetlink: Prevent empty skb by adding a check on len. Adding a check on len...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-986402)

"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-986402 advisory. In the Linux kernel, the following vulnerability has been resolved: net: netlink: afnetlink: Prevent empty skb by adding a check on len. Adding a check on len...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-387199)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-387199 advisory. In the Linux kernel, the following vulnerability has been resolved: firmwareloader: Block path traversal Most firmware names are hardcoded strings, or are constructe...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-414476)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-414476 advisory. There is a sleep-in-atomic bug in /net/nfc/netlink.c that allows an attacker to crash the Linux kernel by simulating a nfc device from user-space. Tenable has...

SUSE CVE-2022-50498

In the Linux kernel, the following vulnerability has been resolved: eth: alx: take rtnllock on resume Zbynek reports that alx trips an rtnl assertion on resume: RTNL: assertion failed at net/core/dev.c 2891 RIP: 0010:netifsetrealnumtxqueues+0x1ac/0x1c0 Call Trace: alxopen+0x230/0x570 alx...

SUSE CVE-2023-53543

In the Linux kernel, the following vulnerability has been resolved: vdpa: Add max vqp attr to vdpanlpolicy for nlattr length check The vdpanlpolicy structure is used to validate the nlattr when parsing the incoming nlmsg. It will ensure the attribute being described produces a valid nlattr pointe...

SUSE CVE-2023-53570

In the Linux kernel, the following vulnerability has been resolved: wifi: nl80211: fix integer overflow in nl80211parsembssidelems nl80211parsembssidelems uses a u8 variable numelems to count the number of MBSSID elements in the nested netlink attribute attrs, which can lead to an integer overflo...

CVE-2023-53543

In the Linux kernel, the following vulnerability has been resolved: vdpa: Add max vqp attr to vdpanlpolicy for nlattr length check The vdpanlpolicy structure is used to validate the nlattr when parsing the incoming nlmsg. It will ensure the attribute being described produces a valid nlattr pointe...

CVE-2022-50498

In the Linux kernel, the following vulnerability has been resolved: eth: alx: take rtnllock on resume Zbynek reports that alx trips an rtnl assertion on resume: RTNL: assertion failed at net/core/dev.c 2891 RIP: 0010:netifsetrealnumtxqueues+0x1ac/0x1c0 Call Trace: alxopen+0x230/0x570 alx...

UBUNTU-CVE-2022-50498

In the Linux kernel, the following vulnerability has been resolved: eth: alx: take rtnllock on resume Zbynek reports that alx trips an rtnl assertion on resume: RTNL: assertion failed at net/core/dev.c 2891 RIP: 0010:netifsetrealnumtxqueues+0x1ac/0x1c0 Call Trace: alxopen+0x230/0x570 alx...

UBUNTU-CVE-2023-53570

In the Linux kernel, the following vulnerability has been resolved: wifi: nl80211: fix integer overflow in nl80211parsembssidelems nl80211parsembssidelems uses a u8 variable numelems to count the number of MBSSID elements in the nested netlink attribute attrs, which can lead to an integer overflo...

CVE-2022-50498 eth: alx: take rtnl_lock on resume

In the Linux kernel, the following vulnerability has been resolved: eth: alx: take rtnllock on resume Zbynek reports that alx trips an rtnl assertion on resume: RTNL: assertion failed at net/core/dev.c 2891 RIP: 0010:netifsetrealnumtxqueues+0x1ac/0x1c0 Call Trace: alxopen+0x230/0x570 alx...

CVE-2022-50498 eth: alx: take rtnl_lock on resume

In the Linux kernel, the following vulnerability has been resolved: eth: alx: take rtnllock on resume Zbynek reports that alx trips an rtnl assertion on resume: RTNL: assertion failed at net/core/dev.c 2891 RIP: 0010:netifsetrealnumtxqueues+0x1ac/0x1c0 Call Trace: alxopen+0x230/0x570 alx...

CVE-2022-50498

CVE-2022-50498 : In the Linux kernel, the alx ethernet driver vulnerability stems from not taking the rtnl_lock during resume, allowing an rtnl assertion to trip in net/core/dev.c when reopening on resume. The issue is localized to the alx driver’s suspend/resume path and is triggered during devi...

CVE-2023-53570

CVE-2023-53570 is a Linux kernel local-privilege issue in the wireless stack. The vulnerability arises from nl80211_parse_mbssid_elems() using an unsigned 8-bit counter (num_elems) to track MBSSID elements, which can overflow when a userspace nl80211 attribute specifies 256 or more elements. This...

CVE-2023-53549 netfilter: ipset: Rework long task execution when adding/deleting entries

In the Linux kernel, the following vulnerability has been resolved: netfilter: ipset: Rework long task execution when adding/deleting entries When adding/deleting large number of elements in one step in ipset, it can take a reasonable amount of time and can result in soft lockup errors. The patch...

CVE-2023-53543

Technical details for CVE-2023-53543 are not publicly provided in the supplied documents; monitor SUSE/kernel advisories for updates.

CVE-2023-53543 vdpa: Add max vqp attr to vdpa_nl_policy for nlattr length check

In the Linux kernel, the following vulnerability has been resolved: vdpa: Add max vqp attr to vdpanlpolicy for nlattr length check The vdpanlpolicy structure is used to validate the nlattr when parsing the incoming nlmsg. It will ensure the attribute being described produces a valid nlattr pointe...