CVE-2026-64026

In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix DATA decrypt vs splice by copying data to buffer in recvmsg This improves the fix for CVE-2026-43500. Fix the pagecache corruption from in-place decryption of a DATA packet transmitted locally by splice by getting rid ...

CVE-2026-64026 rxrpc: Fix DATA decrypt vs splice() by copying data to buffer in recvmsg

In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix DATA decrypt vs splice by copying data to buffer in recvmsg This improves the fix for CVE-2026-43500. Fix the pagecache corruption from in-place decryption of a DATA packet transmitted locally by splice by getting rid ...

CVE-2026-64004 net/iucv: fix locking in .getsockopt

In the Linux kernel, the following vulnerability has been resolved: net/iucv: fix locking in .getsockopt Mirror iucvsocksetsockopt and wrap the whole switch in locksock/releasesock. The pre-existing SOMSGLIMIT-only lock becomes redundant and is removed. Any AFIUCV HIPER user can potentially crash...

CVE-2026-64004 net/iucv: fix locking in .getsockopt

In the Linux kernel, the following vulnerability has been resolved: net/iucv: fix locking in .getsockopt Mirror iucvsocksetsockopt and wrap the whole switch in locksock/releasesock. The pre-existing SOMSGLIMIT-only lock becomes redundant and is removed. Any AFIUCV HIPER user can potentially crash...

CVE-2026-63920 ipv6: validate extension header length before copying to cmsg

In the Linux kernel, the following vulnerability has been resolved: ipv6: validate extension header length before copying to cmsg ip6datagramrecvspecificctl builds IPV6HOPOPTS,DSTOPTS,RTHDR cmsgs and their IPV62292 legacy counterparts by trusting the on-wire hdrlen byte ptr1 when computing the...

CVE-2026-64026: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix DATA decrypt vs splice by copying data to buffer in recvmsg This improves the fix for CVE-2026-43500. Fix the pagecache corruption from in-place decryption of a DATA packet transmitted locally by splice by getting rid ...

CVE-2026-14605

A vulnerability was identified in RT-Thread up to 5.0.2. Affected by this vulnerability is the function recvmsg in the library bsp/loongson/ls1cdev/libraries/ls1ccan.h of the component ls1c CAN Handler. Such manipulation leads to stack-based buffer overflow. Local access is required to approach...

CVE-2026-14605 RT-Thread ls1c CAN ls1c_can.h recvmsg stack-based overflow

A vulnerability was identified in RT-Thread up to 5.0.2. Affected by this vulnerability is the function recvmsg in the library bsp/loongson/ls1cdev/libraries/ls1ccan.h of the component ls1c CAN Handler. Such manipulation leads to stack-based buffer overflow. Local access is required to approach...

CVE-2026-14605

CVE-2026-14605 affects RT-Thread up to 5.0.2. The vulnerability is in the function recvmsg within bsp/loongson/ls1cdev/libraries/ls1c_can.h of the ls1c CAN Handler . It enables a stack-based buffer overflow when processing input, with local access required to exploit. Public exploit code exists. ...

CVE-2026-14605: Stack-based Buffer Overflow

A vulnerability was identified in RT-Thread up to 5.0.2. Affected by this vulnerability is the function recvmsg in the library bsp/loongson/ls1cdev/libraries/ls1ccan.h of the component ls1c CAN Handler. Such manipulation leads to stack-based buffer overflow. Local access is required to approach...

CVE-2026-10643

Zephyr's IP socket recvmsg implementation subsys/net/lib/sockets/socketsinet.c, insertpktinfo validated the user-supplied ancillary msgcontrol buffer using only the payload length msg-msgcontrollen pktinfolen before writing a full control message consisting of an aligned cmsg header plus the...

CVE-2026-10643: Out-of-bounds Write

Zephyr's IP socket recvmsg implementation subsys/net/lib/sockets/socketsinet.c, insertpktinfo validated the user-supplied ancillary msgcontrol buffer using only the payload length msg-msgcontrollen pktinfolen before writing a full control message consisting of an aligned cmsg header plus the...

CVE-2026-10643

Zephyr CVE-2026-10643 affects the IP socket recvmsg() ancillary-data path (insert_pktinfo in subsys/net/lib/sockets/sockets_inet.c). A check only compared msg_controllen to pktinfo_len, omitting the cmsg header size, allowing an under-checked window (e.g., 16–27 bytes for IPv4 IP_PKTINFO on a 64‑...

CVE-2026-10643 Out-of-bounds heap write in Zephyr `recvmsg()` ancillary-data path (`insert_pktinfo` undersizes the control-buffer capacity check)

Zephyr's IP socket recvmsg implementation subsys/net/lib/sockets/socketsinet.c, insertpktinfo validated the user-supplied ancillary msgcontrol buffer using only the payload length msg-msgcontrollen pktinfolen before writing a full control message consisting of an aligned cmsg header plus the...

CVE-2026-10643 Out-of-bounds heap write in Zephyr `recvmsg()` ancillary-data path (`insert_pktinfo` undersizes the control-buffer capacity check)

Zephyr's IP socket recvmsg implementation subsys/net/lib/sockets/socketsinet.c, insertpktinfo validated the user-supplied ancillary msgcontrol buffer using only the payload length msg-msgcontrollen pktinfolen before writing a full control message consisting of an aligned cmsg header plus the...

CVE-2026-10643

Zephyr's IP socket recvmsg implementation subsys/net/lib/sockets/socketsinet.c, insertpktinfo validated the user-supplied ancillary msgcontrol buffer using only the payload length msg-msgcontrollen pktinfolen before writing a full control message consisting of an aligned cmsg header plus the...

EUVD-2026-39967

Zephyr's IP socket recvmsg implementation subsys/net/lib/sockets/socketsinet.c, insertpktinfo validated the user-supplied ancillary msgcontrol buffer using only the payload length msg-msgcontrollen pktinfolen before writing a full control message consisting of an aligned cmsg header plus the...

CVE-2026-10643 Out-of-bounds heap write in Zephyr `recvmsg()` ancillary-data path (`insert_pktinfo` undersizes the control-buffer capacity check)

Zephyr's IP socket recvmsg implementation subsys/net/lib/sockets/socketsinet.c, insertpktinfo validated the user-supplied ancillary msgcontrol buffer using only the payload length msg-msgcontrollen pktinfolen before writing a full control message consisting of an aligned cmsg header plus the...

PT-2026-53076

Name of the Vulnerable Software and Affected Versions Zephyr versions 3.6.0 through 4.4.0 Description An out-of-bounds write exists in the IP socket recvmsg implementation within the insert pktinfo function located in subsys/net/lib/sockets/sockets inet.c. The issue occurs because the validation ...

PT-2026-61321

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A race condition exists in the net/iucv component when recvmsg is called simultaneously with getsockoptSO MSGSIZE. An AF IUCV HIPER user can trigger a NULL pointer dereference because th...