CVE-2026-53921 odhcpd: Stack buffer overflow in DHCPv6 IA reply serialization (2 independent sites)

odhcpd is the DHCPv6, DHCPv4, and router-advertisement server used by OpenWrt. Prior to version 25.12, odhcpd's DHCPv6 IA response handler writes past the end of a fixed 512-byte stack buffer pdbuf when a single DHCPv6 REQUEST carries enough IA options to nearly exhaust the reply space. Two...

CVE-2026-53921

A critical stack-based buffer overflow exists in the odhcpd daemon of OpenWrt , affecting versions prior to 24.10.8 and 25.12.5 . The vulnerability is triggered during the serialization of DHCPv6 Reply packets in the build_ia() and dhcpv6_ia_handle_IAs() functions. When processing a specially cra...

EUVD-2026-108966

odhcpd is the DHCPv6, DHCPv4, and router-advertisement server used by OpenWrt. Prior to version 25.12, odhcpd's DHCPv6 IA response handler writes past the end of a fixed 512-byte stack buffer pdbuf when a single DHCPv6 REQUEST carries enough IA options to nearly exhaust the reply space. Two...

CVE-2026-53921

odhcpd is the DHCPv6, DHCPv4, and router-advertisement server used by OpenWrt. Prior to version 25.12, odhcpd's DHCPv6 IA response handler writes past the end of a fixed 512-byte stack buffer pdbuf when a single DHCPv6 REQUEST carries enough IA options to nearly exhaust the reply space. Two...

CVE-2026-99066

In the Linux kernel, the following vulnerability has been resolved: can: dev: initcanskb: restore skb header initialization Commit 9f10374bb024 "can: remove private CAN skb headroom infrastructure" removed the skbresetmacheader/skbresetnetworkheader/ skbresettransportheader calls from initcanskb...

CVE-2026-99063

In the Linux kernel, the following vulnerability has been resolved: dm ioctl: don't let datastart run past the buffer struct dmioctl has seven bytes of trailing padding, so the smallest buffer userspace is allowed to ask for, offsetofstruct dmioctl, data, is seven bytes shorter than sizeofstruct...

CVE-2026-99021

In the Linux kernel, the following vulnerability has been resolved: regulator: of: fill in supply names in ofregulatorbulkgetall ofregulatorbulkgetall returns an array it allocated itself, and fills in only the consumer of each entry. Every other way of getting a bulk array has the supply name se...

AZL-110680 CVE-2026-98912 affecting package kernel for versions less than 6.6.159.1-1

In the Linux kernel, the following vulnerability has been resolved: ALSA: seq: oss: Reject reads that cannot fit the next event sndseqossread checks whether the next queued OSS sequencer event fits in the remaining userspace buffer before removing it from the read queue. The check is inverted. It...

AZL-110632 CVE-2026-98889 affecting package kernel for versions less than 6.6.159.1-1

In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: mvm: fix sched scan IE sizing Scheduled scan built the probe request before iwlmvmscanfits, so oversized IEs could be copied into the fixed preq buffer before length validation. Move iwlmvmbuildscanprobe after the...

DEBIAN-CVE-2026-98889

In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: mvm: fix sched scan IE sizing Scheduled scan built the probe request before iwlmvmscanfits, so oversized IEs could be copied into the fixed preq buffer before length validation. Move iwlmvmbuildscanprobe after the...

CVE-2026-98889

In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: mvm: fix sched scan IE sizing Scheduled scan built the probe request before iwlmvmscanfits, so oversized IEs could be copied into the fixed preq buffer before length validation. Move iwlmvmbuildscanprobe after the...

CVE-2026-98882

In the Linux kernel, the following vulnerability has been resolved: media: chips-media: wave5: Add range checks for decoutputinfo If the driver's decoutputinfo contains invalid data the driver can write in invalid memory. Add a range check for that. This fixes this smatch error:...

DEBIAN-CVE-2026-98882

In the Linux kernel, the following vulnerability has been resolved: media: chips-media: wave5: Add range checks for decoutputinfo If the driver's decoutputinfo contains invalid data the driver can write in invalid memory. Add a range check for that. This fixes this smatch error:...

CVE-2026-115723

Snap7 through 1.4.3 contains an out-of-bounds write vulnerability in the passive partner that allows a malicious active partner to overflow application buffers by declaring an unvalidated BSend total length. Attackers connecting from the configured peer address can declare up to 65535 bytes and...

CVE-2026-98882

In the Linux kernel, the following vulnerability has been resolved: media: chips-media: wave5: Add range checks for decoutputinfo If the driver's decoutputinfo contains invalid data the driver can write in invalid memory. Add a range check for that. This fixes this smatch error:...

CVE-2026-115723

Snap7 through 1.4.3 contains an out-of-bounds write vulnerability in the passive partner that allows a malicious active partner to overflow application buffers by declaring an unvalidated BSend total length. Attackers connecting from the configured peer address can declare up to 65535 bytes and...

CVE-2026-98889

In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: mvm: fix sched scan IE sizing Scheduled scan built the probe request before iwlmvmscanfits, so oversized IEs could be copied into the fixed preq buffer before length validation. Move iwlmvmbuildscanprobe after the...

UBUNTU-CVE-2026-98882

In the Linux kernel, the following vulnerability has been resolved: media: chips-media: wave5: Add range checks for decoutputinfo If the driver's decoutputinfo contains invalid data the driver can write in invalid memory. Add a range check for that. This fixes this smatch error:...

UBUNTU-CVE-2026-98889

In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: mvm: fix sched scan IE sizing Scheduled scan built the probe request before iwlmvmscanfits, so oversized IEs could be copied into the fixed preq buffer before length validation. Move iwlmvmbuildscanprobe after the...

CVE-2026-98893

The Linux kernel contains a vulnerability in the arm_scmi firmware component. The parser fails to verify that the received payload contains the required number of entries based on the sensor description before parsing them. This lack of validation for SENSOR_UPDATE payload sizes can lead to issue...