kernel: net/sched: Make cake_enqueue return NET_XMIT_CN when past buffer_limit

In the Linux kernel, the following vulnerability has been resolved: net/sched: Make cakeenqueue return NETXMITCN when past bufferlimit The following setup can trigger a WARNING in htbactivate due to the condition: !cl-leaf.q-q.qlen tc qdisc del dev lo root tc qdisc add dev lo root handle 1: htb...

Astra Linux - уязвимость в linux-5.10

In the Linux kernel, the following vulnerability has been resolved: can: kvaserpciefd: refined error-prone handling of echoskbmax The value of echoskbmax should define the supported upper limit for echoskb, which is allocated within the private space of the netdevice. The corresponding size value...

CVE-2026-34960 barebox Out-of-Bounds Read in DHCP Option Parsing

barebox prior to version 2026.04.0 contains an out-of-bounds read vulnerability in DHCP option parsing within the dhcpmessagetype function that fails to verify the options pointer remains within received packet bounds. An attacker on the same broadcast domain can send a crafted DHCP Offer or ACK...

Astra Linux - уязвимость в firefox

Data was not properly sanitized during the decoding of a QUIC ACK frame; this could have led to unrestricted memory consumption and a crash. This vulnerability affects Firefox versions earlier than 124...

Astra Linux - уязвимость в linux-6.1

In the Linux kernel, the following vulnerability has been resolved: wifi: rtw88: use ieee80211purgetxqueue to purge TX skb When removing kernel modules by: rmmod rtw888723cs rtw888703b rtw888723x rtw88sdio rtw88core Driver uses skbqueuepurge to purge TX skb, but not report tx status causing "Have...

Astra Linux - уязвимость в systemd

There is an exploitable denial-of-service vulnerability in Systemd 245. A specially crafted DHCP FORCERENEW packet can expose a server running the DHCP client to a DHCP ACK spoofing attack. An attacker can forge a pair of FORCERENEW and DCHP ACK packets to reconfigure the server...

tipc: fix bc_ackers underflow on duplicate GRP_ACK_MSG

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DEBIAN-CVE-2026-31662

In the Linux kernel, the following vulnerability has been resolved: tipc: fix bcackers underflow on duplicate GRPACKMSG The GRPACKMSG handler in tipcgroupprotorcv currently decrements bcackers on every inbound group ACK, even when the same member has already acknowledged the current broadcast...

CVE-2026-31662

CVE-2026-31662 concerns the Linux kernel’s TIPc grouping protocol. The bug in tipc_group_proto_rcv() decrements bc_ackers for every inbound GRP_ACK_MSG, even if the sender already acknowledged the current broadcast round. Since bc_ackers is a 16-bit unsigned, a duplicate ACK after the last legiti...

CVE-2026-31662 tipc: fix bc_ackers underflow on duplicate GRP_ACK_MSG

In the Linux kernel, the following vulnerability has been resolved: tipc: fix bcackers underflow on duplicate GRPACKMSG The GRPACKMSG handler in tipcgroupprotorcv currently decrements bcackers on every inbound group ACK, even when the same member has already acknowledged the current broadcast...

kernel: net/sched: Make cake_enqueue return NET_XMIT_CN when past buffer_limit

In the Linux kernel, the following vulnerability has been resolved: net/sched: Make cakeenqueue return NETXMITCN when past bufferlimit The following setup can trigger a WARNING in htbactivate due to the condition: !cl-leaf.q-q.qlen tc qdisc del dev lo root tc qdisc add dev lo root handle 1: htb...

Integer Underflow (Wrap or Wraparound)

Overview Affected versions of this package are vulnerable to Integer Underflow Wrap or Wraparound in the ACK frame decoding. An attacker can gain elevated privileges by sending specially crafted network packets that trigger an integer underflow during frame parsing. Remediation Upgrade...

Integer Underflow (Wrap or Wraparound)

Overview Affected versions of this package are vulnerable to Integer Underflow Wrap or Wraparound in the ACK frame decoding. An attacker can gain elevated privileges by sending specially crafted network packets that trigger an integer underflow during frame parsing. Remediation Upgrade...

GHSA-GVVW-8J96-8G5R MsQuic has a Remote Elevation of Privilege Vulnerability

Summary Improper input validation in Microsoft QUIC allows an unauthorized attacker to elevate privileges over a network. Details Improper Input Validation Integer Underflow Wrap or Wraparound when decoding ACK frame. Patches - Fix underflow in ACK frame parsing - 1e6e999b Impact An attacker who...

Heap-based Buffer Overflow

Overview Affected versions of this package are vulnerable to Heap-based Buffer Overflow via the DTLS 1.3 ACK message processing. An attacker can execute arbitrary code or cause a denial of service by sending a specially crafted DTLS 1.3 ACK message. Remediation Upgrade wolfssl to version 5.9.1 or...

DEBIAN-CVE-2026-5264

Heap buffer overflow in DTLS 1.3 ACK message processing. A remote attacker can send a crafted DTLS 1.3 ACK message that triggers a heap buffer overflow...

CVE-2026-5264

Heap buffer overflow in DTLS 1.3 ACK message processing. A remote attacker can send a crafted DTLS 1.3 ACK message that triggers a heap buffer overflow...

CVE-2026-5264

Heap buffer overflow in DTLS 1.3 ACK message processing. A remote attacker can send a crafted DTLS 1.3 ACK message that triggers a heap buffer overflow...

CVE-2026-5264 DTLS 1.3 ACK heap buffer overflow

Heap buffer overflow in DTLS 1.3 ACK message processing. A remote attacker can send a crafted DTLS 1.3 ACK message that triggers a heap buffer overflow...

wolfSSL 安全漏洞

wolfSSL CyaSSL is a small, portable embedded SSL programming library developed by the American company wolfSSL, aimed at developers working with embedded systems. There is a security vulnerability in wolfSSL, which stems from a heap buffer overflow issue in the processing of DTLS 1.3 ACK messages...