CVE-2026-98809

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcisync: don't drain cmdsync backlog on unregister hciunregisterdev disables cmdwork and cmdtimer, then calls hcicmdsyncclear, whose cancelworksync waits for hcicmdsyncwork to return. That worker dequeues and runs ever...

Security Bulletin: IBM DevOps Deploy / IBM UrbanCode Deploy (UCD) affected by an Uncontrolled Resource Consumption Vulnerability in Apache Tomcat (CVE-2026-68763)

Summary IBM DevOps Deploy / IBM UrbanCode Deploy UCD uses Apache Tomcat for its web interface and services. CVE-2026-68763. Vulnerability Details CVEID:CVE-2026-68763 DESCRIPTION: Uncontrolled Resource Consumption vulnerability in Apache Tomcat via an allocation leak in the HTTP/2 backlog trackin...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.10, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: schhtb: Make htbqlennotify idempotent. htbqlennotify always disactivates the HTB class, and actually might trigger a warning if it is already disactivated. Therefore, it is not idempotent and is not friendly to its callers, like...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: crypto: xts – Properly handles the EBUSY status. Since xts only handles the special return value EINPROGRESS, it means that in all other cases, it will free the data related to the request. However, since the caller of xts may...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fixed an oops due to the absence of the prealloc backlog struct. If an AFRXRPC service socket is opened and bound, but the calls are pre-allocated, then rxrpcallocincomingcall will cause an oops because the rxrpcbacklog...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net/sched: schcake: Fixed incorrect qlen reduction in cakedrop In cakedrop, qdisctreereducebacklog is used to update the qlen and backlog of the qdisc hierarchy. Its caller, cakeenqueue, assumes that the parent qdisc will enqueue...

Astra Linux – Vulnerabilities in Linux, Linux-5.15, Linux-5.10, Linux-6.1

In the Linux kernel, the following vulnerability has been resolved: net/tls: The use-after-free issue in the -EBUSY error handling path of tlsdoencryption has been fixed. The -EBUSY handling in tlsdoencryption, introduced with commit 859054147318 “net: tls: handle backlogging of crypto requests”,...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: netem: Update sch-q.qlen before qdisctreereducebacklog. The qdisctreereducebacklog function only notifies the parent qdisc if the child qdisc becomes empty. Therefore, we need to reduce the backlog of the child qdisc before calli...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net/sched: stop qdisctreereducebacklog on TCHROOT In qdisctreereducebacklog, Qdiscs with a major handle of ffff: are assumed to be either root or ingress. This assumption is incorrect, as it is possible to create egress Qdiscs wi...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: ppp: Do not assume that bh is held in pppchannelbridgeinput. The networking receive path is usually handled by the BH handler. However, some protocols require acquiring the socket lock, and packets may be stored in the socket...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: tipc: fixed a memory leak in tipclinkxmit In cases where the backlog transmit queue for system-importance messages becomes overloaded, tipclinkxmit returns -ENOBUFS, but the skb list is not purged. This leads to a memory leak and...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, Linux, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: - In the net:sched section, there is a fix for the order of qlen adjustment. - Changes to sch-q.qlen related to qdisctreereducebacklog need to occur before a call to that function. Otherwise, it may fail to notify the parent...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1, Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net: tls: handling of backlogging of crypto requests Since we are setting the CRYPTOTFMREQMAYBACKLOG flag on our requests to the crypto API, cryptoaeadencrypt,decrypt can return -EBUSY instead of -EINPROGRESS in valid situations...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: net/sched: fixed the lockdep issue in qdisctreereducebacklog The qdisctreereducebacklog function is called with the qdisc lock held, not RTNL. We must use qdisclookuprcu instead of qdisclookup. syzbot reported: WARNING:...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: bpf, sockmap: Avoid using sksocket after free when sending messages. The sk-sksocket is not locked or referenced in the backlog thread. During the call to skbsendsock, there is a race condition involving the release of sksocket...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net: let netcore.devweight always be non-zero The following problem was encountered during stability testing: NULL netdevice: The NAPI poll function processbacklog+0x0/0x530 returned 1, exceeding its budget of 0. ------------ Cut...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: bpf, sockmap: Fixed a panic that occurred when calling skblinearize. The panic can be reproduced by executing the command: ./bench sockmap -c 2 -p 1 -a --rx-verdict-ingress --rx-strp 100000 A kernel panic was then captured: '''...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: TCP: Fixed a signed-integer-overflow bug in tcpaddbacklog The types of skrcvbuf and sksndbuf within the struct sock structure are int. In tcpaddbacklog, the limit for these variables is calculated by adding skrcvbuf, sksndbuf, an...

UBUNTU-CVE-2026-84784

Issue summary: A malicious remote peer may flood the local QUIC stack with NEWCONNECTIONID frames by avoiding a limit check on how many connection IDs the remote QUIC stack can use. Impact summary: The local QUIC stack sends a RETIRECONNID frame for every NEWCONNECTIONID frame it receives. The...

Uncontrolled Resource Consumption

Apache Tomcat is vulnerable to Uncontrolled Resource Consumption. The vulnerability is due to an allocation leak in HTTP/2 backlog tracking when streams are reset, which allows a remote attacker to repeatedly reset streams and consume server resources, potentially causing denial of service...