UBUNTU-CVE-2025-38459

In the Linux kernel, the following vulnerability has been resolved: atm: clip: Fix infinite recursive call of clippush. syzbot reported the splat below. 0 This happens if we call ioctlATMARPMKIP more than once. During the first call, clipmkip sets clippush to vcc-push, and the second call copies ...

CVE-2025-38465 netlink: Fix wraparounds of sk->sk_rmem_alloc.

In the Linux kernel, the following vulnerability has been resolved: netlink: Fix wraparounds of sk-skrmemalloc. Netlink has this pattern in some places if atomicread&sk-skrmemalloc sk-skrcvbuf atomicaddskb-truesize, &sk-skrmemalloc; , which has the same problem fixed by commit 5a465a0da13e "udp:...

CVE-2025-38463

In the Linux kernel, the following vulnerability has been resolved: tcp: Correct signedness in skb remaining space calculation Syzkaller reported a bug 1 where sk-skforwardalloc can overflow. When we send data, if an skb exists at the tail of the write queue, the kernel will attempt to append the...

CVE-2025-38459 atm: clip: Fix infinite recursive call of clip_push().

In the Linux kernel, the following vulnerability has been resolved: atm: clip: Fix infinite recursive call of clippush. syzbot reported the splat below. 0 This happens if we call ioctlATMARPMKIP more than once. During the first call, clipmkip sets clippush to vcc-push, and the second call copies ...

CVE-2025-38403 vsock/vmci: Clear the vmci transport packet properly when initializing it

In the Linux kernel, the following vulnerability has been resolved: vsock/vmci: Clear the vmci transport packet properly when initializing it In vmcitransportpacketinit memset the vmcitransportpacket before populating the fields to avoid any uninitialised data being left in the structure...

CLSA-2025-1753298759 kernel: Fix of 18 CVEs

udf: Fix a slab-out-of-bounds write bug in udffindentry CVE-2022-49846 - Bluetooth: hcisync: Fix queuing commands when HCIUNREGISTER is set CVE-2022-49136 - Bluetooth: Fix use after free in hcisendacl CVE-2022-49111 - NFSv4/pnfs: Fix a use-after-free bug in open CVE-2022-50072 - NFSv4: Don't hold...

kernel: net: atm: fix use after free in lec_send()

In the Linux kernel, the following vulnerability has been resolved: net: atm: fix use after free in lecsend The -send operation frees skb so save the length before calling -send to avoid a use after free...

kernel: tcp/dccp: Don't use timer_pending() in reqsk_queue_unlink().

A use-after-free UAF vulnerability was found and fixed in the Linux kernel's TCP subsystem related to request socket reqsk timers during handshake handling. This issue stems from a race condition caused by relying on timerpending in reqskqueueunlink. This could result in the timer continuing to r...

kernel: tcp/dccp: Don't use timer_pending() in reqsk_queue_unlink().

A use-after-free UAF vulnerability was found and fixed in the Linux kernel's TCP subsystem related to request socket reqsk timers during handshake handling. This issue stems from a race condition caused by relying on timerpending in reqskqueueunlink. This could result in the timer continuing to r...

kernel: net: atm: fix use after free in lec_send()

In the Linux kernel, the following vulnerability has been resolved: net: atm: fix use after free in lecsend The -send operation frees skb so save the length before calling -send to avoid a use after free...

PT-2025-33567

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: A race condition exists in the rxrpc subsystem where a call can be processed by multiple threads concurrently. This occurs when a call is placed on the socket queue and multiple thread...

kernel: net: atm: fix use after free in lec_send()

In the Linux kernel, the following vulnerability has been resolved: net: atm: fix use after free in lecsend The -send operation frees skb so save the length before calling -send to avoid a use after free...

PT-2025-33575

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: A flaw was discovered in the Linux kernel’s libwx component related to the resetting of Rx ring descriptors. When a device reset is triggered by feature changes, such as toggling Rx VL...

PT-2025-33599

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: The Linux kernel contains a flaw related to multi-path TCP MPTCP where a race condition can occur between subflow failure and subflow creation. This issue is similar to a previously...

Azure Linux 3.0 Security Update: cloud-init (CVE-2024-11584)

The version of cloud-init installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2024-11584 advisory. - cloud-init through 25.1.2 includes the systemd socket unit cloud-init-hotplugd.socket with default...

kernel: net: atm: fix use after free in lec_send()

In the Linux kernel, the following vulnerability has been resolved: net: atm: fix use after free in lecsend The -send operation frees skb so save the length before calling -send to avoid a use after free...

kernel: ipv6: mcast: extend RCU protection in igmp6_send()

In the Linux kernel, the following vulnerability has been resolved: ipv6: mcast: extend RCU protection in igmp6send igmp6send can be called without RTNL or RCU being held. Extend RCU protection so that we can safely fetch the net pointer and avoid a potential UAF. Note that we no longer can use...

OESA-2025-1786 cloud-init security update

Cloud-init is the defacto multi-distribution package that handles early initialization of a cloud instance. Security Fixes: cloud-init is an industry-standard multi-distribution method for cross-platform cloud instance initialization by Canonical. There is a security vulnerability in cloud-init...

OESA-2025-1784 cloud-init security update

Cloud-init is the defacto multi-distribution package that handles early initialization of a cloud instance. Security Fixes: cloud-init is an industry-standard multi-distribution method for cross-platform cloud instance initialization by Canonical. There is a security vulnerability in cloud-init...

OESA-2025-1787 cloud-init security update

Cloud-init is the defacto multi-distribution package that handles early initialization of a cloud instance. Security Fixes: cloud-init is an industry-standard multi-distribution method for cross-platform cloud instance initialization by Canonical. There is a security vulnerability in cloud-init...