Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fixed a potential use-after-free issue in oplock/lease break ack. If there is an error returning from ksmbdiovpinrsp, a use-after-free may occur by accessing opinfo-state and opinfoput. Additionally, ksmbdfdput might be...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: mptcp: Use OPTIONMPTCPMPJSYNACK in subflowfinishconnect subflowfinishconnect uses four fields backup, joinid, thmac, none that may contain garbage unless OPTIONMPTCPMPJSYNACK has been set in mptcpParseOption...

nexthop: initialize extack in nh_res_bucket_migrate()

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SUSE CVE-2026-64450

In the Linux kernel, the following vulnerability has been resolved: tipc: fix out-of-bounds read in broadcast Gap ACK blocks A broadcast PROTOCOL/STATEMSG can carry a Gap ACK blocks record in its data area. tipcgetgapackblks only verifies that the record's len field is self-consistent with its...

CVE-2026-64450

In the Linux kernel, the following vulnerability has been resolved: tipc: fix out-of-bounds read in broadcast Gap ACK blocks A broadcast PROTOCOL/STATEMSG can carry a Gap ACK blocks record in its data area. tipcgetgapackblks only verifies that the record's len field is self-consistent with its...

CVE-2026-64450

In the Linux kernel, the following vulnerability has been resolved: tipc: fix out-of-bounds read in broadcast Gap ACK blocks A broadcast PROTOCOL/STATEMSG can carry a Gap ACK blocks record in its data area. tipcgetgapackblks only verifies that the record's len field is self-consistent with its...

PT-2026-64671

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An out-of-bounds read exists in the Transparent Inter-Process Communication TIPC implementation when handling broadcast Gap ACK blocks. The function tipc get gap ack blks verifies if the...

EUVD-2026-48664

In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: mld: validate stamask before ffs in BA session handlers Three BA session handlers use ffsbadata-stamask - 1 to derive a station ID without checking that stamask is non-zero. When stamask is zero, ffs returns 0 and...

SUSE CVE-2026-63963

In the Linux kernel, the following vulnerability has been resolved: usb: typec: tcpm: validate VDO count in Discover Identity ACK handlers Properly validate the count passed from a device when calling svdmconsumeidentity or svdmconsumeidentitysopprime as the device-controlled value could index of...

CVE-2026-63867

In the Linux kernel, the following vulnerability has been resolved: mptcp: close TOCTOU race while computing rcvwnd The MPTCP output path access locklessly the MPTCP-level ackseq in multiple times, using possibly different values for the dataack in the DSS option and to compute the announced rcv...

CVE-2026-63867

CVE-2026-63867 : In the Linux kernel, a TOCTOU race in MPTCP was resolved in the rcv_wnd computation. The MPTCP output path locklessly accesses the MPTCP-level ack_seq multiple times, potentially using different data_ack values from the DSS option to compute the announced rcv_wnd for the same pac...

CVE-2026-63867 mptcp: close TOCTOU race while computing rcv_wnd

In the Linux kernel, the following vulnerability has been resolved: mptcp: close TOCTOU race while computing rcvwnd The MPTCP output path access locklessly the MPTCP-level ackseq in multiple times, using possibly different values for the dataack in the DSS option and to compute the announced rcv...

CVE-2026-15422 SCTP needs to better-check INIT ACK chunk parameters

The illumos SCTP inbound path performs association lookup for INIT ACK chunks without adequately validating the address parameters carried in the chunk. Since this lookup runs during packet classification i.e. before SCTP integrity checks or IPsec policy are applied a remote, unauthenticated...

EUVD-2026-45014

The illumos SCTP inbound path performs association lookup for INIT ACK chunks without adequately validating the address parameters carried in the chunk. Since this lookup runs during packet classification i.e. before SCTP integrity checks or IPsec policy are applied a remote, unauthenticated...

CVE-2026-15422

The illumos SCTP inbound path performs association lookup for INIT ACK chunks without adequately validating the address parameters carried in the chunk. Since this lookup runs during packet classification i.e. before SCTP integrity checks or IPsec policy are applied a remote, unauthenticated...

DEBIAN-CVE-2026-29008

U-Boot through 2026.04-rc3 contains an integer underflow vulnerability in the tcprxstatemachine function net/tcp.c that allows a network-adjacent attacker to crash the bootloader by sending a malformed TCP SYN+ACK packet with a manipulated data offset field causing payloadlen to become negative...

CVE-2026-29008

U-Boot 2026.04-rc3 contains a vulnerability in tcp_rx_state_machine() (net/tcp.c) that can crash the bootloader via a malformed TCP SYN+ACK with manipulated data offset, causing payload_len to become negative. The negative value is implicitly converted to a large unsigned integer and passed to me...

rxrpc: Fix the ACK parser to extract the SACK table for parsing

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CVE-2026-53151

CVE-2026-53151 concerns the Linux kernel AF_RXRPC subsystem, where legacy parsing of the SACK table could trigger an invalid buffer access when processing fragmented UDP packets. The fix updates rxrpc_input_soft_acks() and rxrpc_input_ack() logic so that SACK contents are not copied into a flat b...

CVE-2026-53151

In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix the ACK parser to extract the SACK table for parsing Fix modification of the received skbuff in rxrpcinputsoftacks and a potential incorrect access of the buffer in a fragmented UDP packet the packet would probably hav...