Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: net: Handling of integer overflows in kmallocreserve The committed change was as follows: c ptr = kmallocsize; if ptr size = ksizeptr; size = kmallocsizeroundupsize; ptr = kmallocsize; This caused various crashes, as reported ...

CVE-2025-21775

In the Linux kernel, the following vulnerability has been resolved: can: ctucanfd: handle skb allocation failure If skb allocation fails, the pointer to struct canframe is NULL. This is actually handled everywhere inside ctucanerrinterrupt except for the only place. Add the missed NULL check. Fou...

DEBIAN-CVE-2025-21775

In the Linux kernel, the following vulnerability has been resolved: can: ctucanfd: handle skb allocation failure If skb allocation fails, the pointer to struct canframe is NULL. This is actually handled everywhere inside ctucanerrinterrupt except for the only place. Add the missed NULL check. Fou...

AZL-57884 CVE-2025-21775 affecting package kernel for versions less than 6.6.79.1-1

In the Linux kernel, the following vulnerability has been resolved: can: ctucanfd: handle skb allocation failure If skb allocation fails, the pointer to struct canframe is NULL. This is actually handled everywhere inside ctucanerrinterrupt except for the only place. Add the missed NULL check. Fou...

CVE-2025-21775

CVE-2025-21775 affects the Linux kernel CAN ctucanfd component. When skb allocation fails, the can_frame pointer can be NULL, and one NULL check was missed in ctucan_err_interrupt(); a fix adding the NULL check was implemented in the kernel (see references to the can: ctucanfd: handle skb allocat...

CVE-2025-21775 can: ctucanfd: handle skb allocation failure

In the Linux kernel, the following vulnerability has been resolved: can: ctucanfd: handle skb allocation failure If skb allocation fails, the pointer to struct canframe is NULL. This is actually handled everywhere inside ctucanerrinterrupt except for the only place. Add the missed NULL check. Fou...

CVE-2025-21775

In the Linux kernel, the following vulnerability has been resolved: can: ctucanfd: handle skb allocation failure If skb allocation fails, the pointer to struct canframe is NULL. This is actually handled everywhere inside ctucanerrinterrupt except for the only place. Add the missed NULL check. Fou...

CVE-2025-21775 can: ctucanfd: handle skb allocation failure

In the Linux kernel, the following vulnerability has been resolved: can: ctucanfd: handle skb allocation failure If skb allocation fails, the pointer to struct canframe is NULL. This is actually handled everywhere inside ctucanerrinterrupt except for the only place. Add the missed NULL check. Fou...

CVE-2022-49417

In the Linux kernel, the following vulnerability has been resolved: iwlwifi: mei: fix potential NULL-ptr deref If SKB allocation fails, continue rather than using the NULL pointer. Coverity CID: 1497650...

CVE-2022-49417

CVE-2022-49417 involves the Linux kernel component iwlwifi/mei. The issue is a potential NULL-ptr dereference that could occur when SKB allocation fails; the fix was to skip using the NULL pointer instead of dereferencing it. This vulnerability is described as resolved in multiple sources and is ...

kernel: net: hsr: remove WARN_ONCE() in send_hsr_supervision_frame()

A vulnerability in the Linux kernel affects the High-availability Seamless Redundancy HSR protocol. The issue was identified when a warning WARNONCE was triggered due to failed resource allocation for skb in the hsrinitskb function. The WARNONCE was initially used to log this failure, but it was...