CVE-2026-31512 Bluetooth: L2CAP: Validate PDU length before reading SDU length in l2cap_ecred_data_rcv()

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Validate PDU length before reading SDU length in l2capecreddatarcv l2capecreddatarcv reads the SDU length field from skb-data using getunalignedle16 without first verifying that skb contains at least...

CVE-2026-31512 Bluetooth: L2CAP: Validate PDU length before reading SDU length in l2cap_ecred_data_rcv()

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Validate PDU length before reading SDU length in l2capecreddatarcv l2capecreddatarcv reads the SDU length field from skb-data using getunalignedle16 without first verifying that skb contains at least...

CVE-2026-31512

Mode C CVE-2026-31512 affects the Linux kernel Bluetooth L2CAP path. The vulnerability arises in l2cap_ecred_data_rcv() where the SDU length is read from skb->data using get_unaligned_le16() without first ensuring skb contains at least 2 bytes (L2CAP_SDULEN_SIZE). If skb->len

CVE-2026-31498

Linux kernel CVE-2026-31498 affects Bluetooth L2CAP by exposing memory leaks during reconfiguration (ERTM data structures) and a zero-valued max_pdu_size path that can lead to an infinite loop in l2cap_segment_sdu. Root cause: reconfiguration previously re-initialized ERTM state and NULL’d sdu wi...

CVE-2026-31498 Bluetooth: L2CAP: Fix ERTM re-init and zero pdu_len infinite loop

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix ERTM re-init and zero pdulen infinite loop l2capconfigreq processes CONFIGREQ for channels in BTCONNECTED state to support L2CAP reconfiguration e.g. MTU changes. However, since both CONFINPUTDONE and...

CVE-2026-31498 Bluetooth: L2CAP: Fix ERTM re-init and zero pdu_len infinite loop

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix ERTM re-init and zero pdulen infinite loop l2capconfigreq processes CONFIGREQ for channels in BTCONNECTED state to support L2CAP reconfiguration e.g. MTU changes. However, since both CONFINPUTDONE and...

CVE-2026-31478 ksmbd: replace hardcoded hdr2_len with offsetof() in smb2_calc_max_out_buf_len()

In the Linux kernel, the following vulnerability has been resolved: ksmbd: replace hardcoded hdr2len with offsetof in smb2calcmaxoutbuflen After this commit e2b76ab8b5c9 "ksmbd: add support for read compound", response buffer management was changed to use dynamic iov array. In the new design,...

CVE-2026-31472 xfrm: iptfs: validate inner IPv4 header length in IPTFS payload

In the Linux kernel, the following vulnerability has been resolved: xfrm: iptfs: validate inner IPv4 header length in IPTFS payload Add validation of the inner IPv4 packet totlen and ihl fields parsed from decrypted IPTFS payloads in inputprocesspayload. A crafted ESP packet containing an inner...

CVE-2026-31472 xfrm: iptfs: validate inner IPv4 header length in IPTFS payload

In the Linux kernel, the following vulnerability has been resolved: xfrm: iptfs: validate inner IPv4 header length in IPTFS payload Add validation of the inner IPv4 packet totlen and ihl fields parsed from decrypted IPTFS payloads in inputprocesspayload. A crafted ESP packet containing an inner...

CVE-2026-31470 virt: tdx-guest: Fix handling of host controlled 'quote' buffer length

In the Linux kernel, the following vulnerability has been resolved: virt: tdx-guest: Fix handling of host controlled 'quote' buffer length Validate host controlled value quotebuf-outlen that determines how many bytes of the quote are copied out to guest userspace. In TDX environments with remote...

CVE-2026-31470

CVE-2026-31470 concerns the Linux kernel TDX guest path, specifically the virt: tdx-guest component. Multiple connected sources confirm a fix for handling of the host-controlled quote buffer length, where the host can set quote_buf->out_len to influence how many bytes of the quote are copied t...

CVE-2026-31470 virt: tdx-guest: Fix handling of host controlled 'quote' buffer length

In the Linux kernel, the following vulnerability has been resolved: virt: tdx-guest: Fix handling of host controlled 'quote' buffer length Validate host controlled value quotebuf-outlen that determines how many bytes of the quote are copied out to guest userspace. In TDX environments with remote...

CVE-2026-6862 Efivar: efivar: denial of service due to stack overflow in device path node parsing

A flaw was found in libefiboot, a component of efivar. The device path node parser in libefiboot fails to validate that each node's Length field is at least 4 bytes, which is the minimum size for an EFI Extensible Firmware Interface device path node header. A local user could exploit this...

CVE-2026-6862

A flaw was found in libefiboot, a component of efivar. The device path node parser in libefiboot fails to validate that each node's Length field is at least 4 bytes, which is the minimum size for an EFI Extensible Firmware Interface device path node header. A local user could exploit this...

SUSE-SU-2026:21320-1 Security update for opensc

This update for opensc fixes the following issues: - CVE-2025-49010: stack-buffer-overflow via crafted smart card or USB device responses bsc1261214. - CVE-2025-66037: crafted input can cause an out-of-bounds read bsc1261218. - CVE-2025-66038: improper compact-TLV length validation can lead to...

SUSE-SU-2026:21283-1 Security update for opensc

This update for opensc fixes the following issues: - CVE-2025-49010: stack-buffer-overflow via crafted smart card or USB device responses bsc1261214. - CVE-2025-66037: crafted input can cause an out-of-bounds read bsc1261218. - CVE-2025-66038: improper compact-TLV length validation can lead to...

CLSA-2026-1776855452 libsoup: Fix of 2 CVEs

CVE-2026-1801: use CRLF as line boundary when parsing chunked encoding data to prevent HTTP request smuggling via lone LF - CVE-2026-2443: reject Range header ends exceeding content length to prevent out-of-bounds read in byte range handling...

SUSE-SU-2026:21318-1 Security update for haproxy

This update for haproxy fixes the following issue: - CVE-2026-33555: improper validation when matching a received body length to a previously announced Content-Length can lead to request smuggling due to HTTP/3 parser desynchronization bsc1262103...

CLSA-2026-1776854729 libsoup: Fix of 2 CVEs

CVE-2026-1801: use CRLF as line boundary when parsing chunked encoding data to prevent HTTP request smuggling via lone LF - CVE-2026-2443: reject Range header ends exceeding content length to prevent out-of-bounds read in byte range handling...

EUVD-2026-24641

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix potencial OOB in getfileallinfo for compound requests When a compound request consists of QUERYDIRECTORY + QUERYINFO FILEALLINFORMATION and the first command consumes nearly the entire maxtranssize, getfileallinfo woul...