PT-2025-39130

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contains a flaw within the xilinx can module, specifically in the xcan write frame function, leading to a use-after-free condition involving transmitted SKB Socket Buffe...

AlmaLinux 9 : kernel (ALSA-2025:13962)

The remote AlmaLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2025:13962 advisory. kernel: bpf, testrun: Fix use-after-free issue in ethskbpkttype CVE-2025-21867 microcodectl: From CVEorg collector CVE-2024-28956 kernel: mm/hugetlb:...

Linux Distros Unpatched Vulnerability : CVE-2025-38463

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Ubuntu Linux - In the Linux kernel, the following vulnerability has been resolved: tcp: Correct signedness in skb remaining space calculation Syzkaller reported...

CVE-2025-38604

In the Linux kernel, the following vulnerability has been resolved: wifi: rtl818x: Kill URBs before clearing tx status queue In rtl8187stop move the call of usbkillanchoredurbs before clearing btxstatus.queue. This change prevents callbacks from using already freed skb due to anchor was not kille...

CVE-2025-38591

In the Linux kernel, the following vulnerability has been resolved: bpf: Reject narrower access to pointer ctx fields The following BPF program, simplified from a syzkaller repro, causes a kernel warning: r0 = u8 r1 + 169; exit; With pointer field sk being at offset 168 in skbuff. This access is...

CVE-2025-38592

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcidevcddump: fix out-of-bounds via devcoredumpv Currently both devcoredumpv and skbputdata in hcidevcddump use hdev-dump.head. However, devcoredumpv can free the buffer. From devcoredumpmtimeout documentation, which i...

CVE-2025-38574

In the Linux kernel, the following vulnerability has been resolved: pptp: ensure minimal skb length in pptpxmit Commit aabc6596ffb3 "net: ppp: Add bound checking for skb data on pppsynctxmung" fixed pppsynctxmunge We need a similar fix in pptpxmit, otherwise we might read uninit data as reported ...

UBUNTU-CVE-2025-38574

In the Linux kernel, the following vulnerability has been resolved: pptp: ensure minimal skb length in pptpxmit Commit aabc6596ffb3 "net: ppp: Add bound checking for skb data on pppsynctxmung" fixed pppsynctxmunge We need a similar fix in pptpxmit, otherwise we might read uninit data as reported ...

CVE-2025-38604 wifi: rtl818x: Kill URBs before clearing tx status queue

In the Linux kernel, the following vulnerability has been resolved: wifi: rtl818x: Kill URBs before clearing tx status queue In rtl8187stop move the call of usbkillanchoredurbs before clearing btxstatus.queue. This change prevents callbacks from using already freed skb due to anchor was not kille...

CVE-2025-38592

CVE-2025-38592 affects the Linux kernel Bluetooth subsystem. The issue arises in hci_devcd_dump where dev_coredumpv and skb_put_data both use hdev->dump.head, allowing a freed vmalloc buffer to be accessed and causing vmalloc-out-of-bounds access. The documented root cause is that dev_coredump...

CVE-2025-38591 bpf: Reject narrower access to pointer ctx fields

In the Linux kernel, the following vulnerability has been resolved: bpf: Reject narrower access to pointer ctx fields The following BPF program, simplified from a syzkaller repro, causes a kernel warning: r0 = u8 r1 + 169; exit; With pointer field sk being at offset 168 in skbuff. This access is...

CVE-2025-38591

CVE-2025-38591 affects the Linux kernel and is resolved by a patch in the BPF verifier. The issue involved a narrowing context access check in BPF, where a program attempted to read a pointer field (offset 169) in __sk_buff (field sk at offset 168). The verifier incorrectly allowed this “narrower...

CVE-2025-38591 bpf: Reject narrower access to pointer ctx fields

In the Linux kernel, the following vulnerability has been resolved: bpf: Reject narrower access to pointer ctx fields The following BPF program, simplified from a syzkaller repro, causes a kernel warning: r0 = u8 r1 + 169; exit; With pointer field sk being at offset 168 in skbuff. This access is...

CVE-2025-38591

In the Linux kernel, the following vulnerability has been resolved: bpf: Reject narrower access to pointer ctx fields The following BPF program, simplified from a syzkaller repro, causes a kernel warning: r0 = u8 r1 + 169; exit; With pointer field sk being at offset 168 in skbuff. This access is...

CVE-2025-38590 net/mlx5e: Remove skb secpath if xfrm state is not found

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: Remove skb secpath if xfrm state is not found Hardware returns a unique identifier for a decrypted packet's xfrm state, this state is looked up in an xarray. However, the state might have been freed by the time of this...

CVE-2025-38574 pptp: ensure minimal skb length in pptp_xmit()

In the Linux kernel, the following vulnerability has been resolved: pptp: ensure minimal skb length in pptpxmit Commit aabc6596ffb3 "net: ppp: Add bound checking for skb data on pppsynctxmung" fixed pppsynctxmunge We need a similar fix in pptpxmit, otherwise we might read uninit data as reported ...

CVE-2025-38574

CVE-2025-38574 affects the Linux kernel PPTP transmit path (pptp_xmit). A missing bound check on skb length could allow reading uninitialized data in pptp_xmit(), similar to changes made for ppp_sync_txmunge. The issue is fixed by the upstream commit aabc6596ffb3 and related bound-checking change...

CVE-2025-38574 pptp: ensure minimal skb length in pptp_xmit()

In the Linux kernel, the following vulnerability has been resolved: pptp: ensure minimal skb length in pptpxmit Commit aabc6596ffb3 "net: ppp: Add bound checking for skb data on pppsynctxmung" fixed pppsynctxmunge We need a similar fix in pptpxmit, otherwise we might read uninit data as reported ...

CVE-2025-38574

In the Linux kernel, the following vulnerability has been resolved: pptp: ensure minimal skb length in pptpxmit Commit aabc6596ffb3 "net: ppp: Add bound checking for skb data on pppsynctxmung" fixed pppsynctxmunge We need a similar fix in pptpxmit, otherwise we might read uninit data as reported ...

kernel: tls: always refresh the queue when reading sock

In the Linux kernel, the following vulnerability has been resolved: tls: always refresh the queue when reading sock After recent changes in net-next TCP compacts skbs much more aggressively. This unearthed a bug in TLS where we may try to operate on an old skb when checking if all skbs in the que...