UBUNTU-CVE-2022-50042

In the Linux kernel, the following vulnerability has been resolved: net: genl: fix error path memory leak in policy dumping If construction of the array of policies fails when recording non-first policy we need to unwind. netlinkpolicydumpaddpolicy itself also needs fixing as it currently gives u...

CVE-2022-50042 net: genl: fix error path memory leak in policy dumping

In the Linux kernel, the following vulnerability has been resolved: net: genl: fix error path memory leak in policy dumping If construction of the array of policies fails when recording non-first policy we need to unwind. netlinkpolicydumpaddpolicy itself also needs fixing as it currently gives u...

CVE-2022-50042

In the Linux kernel, the following vulnerability has been resolved: net: genl: fix error path memory leak in policy dumping If construction of the array of policies fails when recording non-first policy we need to unwind. netlinkpolicydumpaddpolicy itself also needs fixing as it currently gives u...

AZL-63947 CVE-2025-38022 affecting package kernel for versions less than 6.6.121.1-1

In the Linux kernel, the following vulnerability has been resolved: RDMA/core: Fix "KASAN: slab-use-after-free Read in ibregisterdevice" problem Call Trace: dumpstack lib/dumpstack.c:94 inline dumpstacklvl+0x116/0x1f0 lib/dumpstack.c:120 printaddressdescription mm/kasan/report.c:408 inline...

CVE-2025-38006

In the Linux kernel, the following vulnerability has been resolved: net: mctp: Don't access ifaindex when missing In mctpdumpaddrinfo, ifaindex can be used to filter interfaces, but only when the struct ifaddrmsg is provided. Otherwise it will be comparing to uninitialised memory - reproducible i...

UBUNTU-CVE-2025-38006

In the Linux kernel, the following vulnerability has been resolved: net: mctp: Don't access ifaindex when missing In mctpdumpaddrinfo, ifaindex can be used to filter interfaces, but only when the struct ifaddrmsg is provided. Otherwise it will be comparing to uninitialised memory - reproducible i...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: net: openvswitch: fixed the nested key length validation in the set action. It is not safe to access nlalenovskey if the data is smaller than the netlink header. Ensure that the attribute is valid first...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: mptcp: pm: only set fullmesh for subflow endp With the in-kernel path-manager, it is possible to change the ‘fullmesh’ flag. The code in mptcppmnlfullmesh expects to change it only on ‘subflow’ endpoints, to recreate more or less...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: net: switchdev: Converting the blocking notification chain to a raw one A blocking notification chain uses a read-write semaphore to protect the integrity of the chain. The semaphore is acquired for writing when adding/removing...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: vxlan: Fixed an uninitialized value in vxlanvnifilterdump. KMSAN reported an uninitialized value access in vxlanvnifilterdump. 1 If the length of the netlink message payload is less than sizeofstruct tunnelmsg,...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: net: fixed the integer overflow in the geneveopt structure’s length field. The struct geneveopt uses 5 bits to represent the length of each individual option. This means that the size of each option should be less than 128 bytes...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: rtnetlink: Allocate sufficient vfinfo size for VF GUIDs when supported. Commit 30aad41721e0 "net/core: Add support for getting VF GUIDs" added support for obtaining VF port and node GUIDs in netlink’s ifinfo messages. However,...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: net: ravb: Fixed the missing rtnl lock in the suspend/resume path The suspend/resume path was fixed by ensuring that the rtnl lock is held where it is required. Calls to ravbopen, ravbclose, and wol operations must be performe...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: openvswitch: The issue of unsafe attribute parsing in outputuserspace has been fixed. This patch replaces the manual Netlink attribute iteration in outputuserspace with nlaforeachnested, which ensures that only well-formed...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: RDMA/core: Fixed a use-after-free when renaming device names. Syzbot reported a slab-use-after-free with the following call trace: ========================================== BUG: KASAN: slab-use-after-free in nlaput+0xd3/0x150...

kernel: ndisc: use RCU protection in ndisc_alloc_skb()

A vulnerability was found in the Linux kernel's IPv6 Neighbor Discovery NDISC subsystem, which manages network neighbor information. The issue arises from improper synchronization mechanisms when allocating socket buffers skbuff in the ndiscallocskb function. Specifically, the function can be...

CLSA-2025-1749548422 Fix of 14 CVEs

CVE-url: https://ubuntu.com/security/CVE-2025-21811 - nilfs2: protect access to buffers with no active references CVE-url: https://ubuntu.com/security/CVE-2025-21715 - net: davicom: fix UAF in dm9000drvremove CVE-url: https://ubuntu.com/security/CVE-2024-58083 - KVM: Explicitly verify target vCPU...

kernel: net: fix geneve_opt length integer overflow

In the Linux kernel, the following vulnerability has been resolved: net: fix geneveopt length integer overflow struct geneveopt uses 5 bit length for each single option, which means every vary size option should be smaller than 128 bytes. However, all current related Netlink policies cannot promi...

kernel: net: fix geneve_opt length integer overflow

In the Linux kernel, the following vulnerability has been resolved: net: fix geneveopt length integer overflow struct geneveopt uses 5 bit length for each single option, which means every vary size option should be smaller than 128 bytes. However, all current related Netlink policies cannot promi...

The vulnerability of the mptcp_pm_nl_append_new_local_addr() function in the net/mptcp/pm_netlink.c module of the Linux kernel allows a hacker to cause a service failure.

The vulnerability of the mptcppmnlAppendNewLocalAddr function in the net/mptcp/pmnetlink.c module of the Linux kernel is related to synchronization errors when using shared resources. Exploiting this vulnerability can allow a remote attacker to cause service interruptions...