UBUNTU-CVE-2025-21760

In the Linux kernel, the following vulnerability has been resolved: ndisc: extend RCU protection in ndiscsendskb ndiscsendskb can be called without RTNL or RCU held. Acquire rcureadlock earlier, so that we can use devnetrcu and avoid a potential UAF...

UBUNTU-CVE-2025-21764

In the Linux kernel, the following vulnerability has been resolved: ndisc: use RCU protection in ndiscallocskb ndiscallocskb can be called without RTNL or RCU being held. Add RCU protection to avoid possible UAF...

UBUNTU-CVE-2025-21744

In the Linux kernel, the following vulnerability has been resolved: wifi: brcmfmac: fix NULL pointer dereference in brcmftxfinalize On removal of the device or unloading of the kernel module a potential NULL pointer dereference occurs. The following sequence deletes the interface: brcmfdetach...

UBUNTU-CVE-2025-21758

In the Linux kernel, the following vulnerability has been resolved: ipv6: mcast: add RCU protection to mldnewpack mldnewpack can be called without RTNL or RCU being held. Note that we no longer can use sockallocsendskb because ipv6.igmpsk uses GFPKERNEL allocations which can sleep. Instead use...

SUSE CVE-2022-49084

In the Linux kernel, the following vulnerability has been resolved: qede: confirm skb is allocated before using qedebuildskb assumes buildskb always works and goes straight to skbreserve. However, buildskb can fail under memory pressure. This results in a kernel panic because the skb to reserve i...

SUSE CVE-2022-49085

In the Linux kernel, the following vulnerability has been resolved: drbd: Fix five use after free bugs in getinitialstate In getinitialstate, it calls notifyinitialstatedoneskb,.. if cb-args5==1. If genlmsgput failed in notifyinitialstatedone, the skb will be freed by nlmsgfreeskb. Then...

SUSE CVE-2022-49198

In the Linux kernel, the following vulnerability has been resolved: mptcp: Fix crash due to tcptsortedanchor was initialized before release skb Got crash when doing pressure test of mptcp: =========================================================================== dstrelease: dst:ffffa06ce6e5c058...

SUSE 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...

SUSE CVE-2022-49561

In the Linux kernel, the following vulnerability has been resolved: netfilter: conntrack: re-fetch conntrack after insertion In case the conntrack is clashing, insertion can free skb-nfct and set skb-nfct to the already-confirmed entry. This wasn't found before because the conntrack entry and the...

SUSE CVE-2022-49663

In the Linux kernel, the following vulnerability has been resolved: tunnels: do not assume mac header is set in skbtunnelcheckpmtu Recently added debug in commit f9aefd6b2aa3 "net: warn if mac header was not set" caught a bug in skbtunnelcheckpmtu, as shown in this syzbot report 1. In ndostartxmi...

CVE-2025-21788

In the Linux kernel, the following vulnerability has been resolved: net: ethernet: ti: am65-cpsw: fix memleak in certain XDP cases If the XDP program doesn't result in XDPPASS then we leak the memory allocated by am65cpswbuildskb. It is pointless to allocate SKB memory before running the XDP...

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

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 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-2025-21774 can: rockchip: rkcanfd_handle_rx_fifo_overflow_int(): bail out if skb cannot be allocated

In the Linux kernel, the following vulnerability has been resolved: can: rockchip: rkcanfdhandlerxfifooverflowint: bail out if skb cannot be allocated Fix NULL pointer check in rkcanfdhandlerxfifooverflowint to bail out if skb cannot be allocated...

CVE-2025-21774

CVE-2025-21774 affects the Linux kernel in the Rockchip RKCANFD code path. The issue is addressed by fixing can: rkcanfd_handle_rx_fifo_overflow_int() to bail out when skb allocation fails, via a NULL pointer check. The vulnerability vulnerable path leads to a potential failure to handle RX FIFO ...

CVE-2025-21774

In the Linux kernel, the following vulnerability has been resolved: can: rockchip: rkcanfdhandlerxfifooverflowint: bail out if skb cannot be allocated Fix NULL pointer check in rkcanfdhandlerxfifooverflowint to bail out if skb cannot be allocated...

PT-2025-8886 · Linux +1 · Linux Kernel +1

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: A vulnerability in the Linux kernel has been resolved. The issue concerned the rkcanfd handle rx fifo overflow int function, where a NULL pointer check was fixed to bail out if an skb...