linux-kernel-exploitation

Linux Kernel Exploitation A collection of links related to Linux kernel security and exploitation. Updated bimonthly. Pull requests are welcome as well. Follow @andreyknvl on X, @[email protected] on Mastodon, or @andreyknvl on Bluesky to be notified of updates. Subscribe to @linkersec on...

PT-2026-106602

In the Linux kernel, the following vulnerability has been resolved: x86/kprobes: Fix crash when probing CS CALL instructions When using eBPF to probe CS CALL instructions within a function, a crash can be triggered. The eBPF tool probes offset 257 of the hrtimer run queues function: : nopl...

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

In the Linux kernel, the following vulnerability has been resolved: “pipe: wakeup wrwait after setting maxusage” The commit c73be61cede5 “pipe: Add general notification queue support” introduced a regression that could cause pipes with resized sizes to become locked under certain conditions. See...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

Rejected reason: This CVE ID has been rejected or withdrawn by its CVE Numbering Authority...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: phonet/pep: fixed the use of racyskbqueueempty The receive queues are protected by their respective spin-locks, not the socket lock. This could lead to skbpeek returning NULL or a pointer to a socket buffer that has already been...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: bfq: Avoid merging queues with different parents It can happen that the parent of a bfqq changes between the moment we decide that two queues are worth merging and set bic-stablemergebfqq and the moment bfqsetupmerge is called...

[SECURITY] Fedora 45 Update: foomatic-4.0.13-38.fc45

Foomatic is a comprehensive, spooler-independent database of printers, printer drivers, and driver descriptions. This package contains utilities to generate driver description files and printer queues for CUPS, LPD, LPRng, and PDQ using the database packaged separately. There is also the...

PT-2026-105161

RabbitMQ is a messaging and streaming broker. Prior to versions 3.13.15, 4.0.20, 4.1.11, 4.2.6, and 4.3.0, is authorized/2 calls rabbit mgmt util:is authorized/2, which checks only the management tag, instead of is authorized vhost/2. The /api/queues/quorum/:vhost/:queue/status handler reads the...

SUSE CVE-2026-66073

RabbitMQ is a messaging and streaming broker. From 3.13.0 until 3.13.15 and 4.0.20 and 4.1.11 and 4.2.6, Atom table exhaustion via management API node field. pUT /api/queues/:vhost/:name and the exchanges and bindings endpoints accepts a node JSON field. The value goes through rabbitnodes:make -...

CVE-2026-100608: Missing Authorization

Flowise through 3.1.4 does not enforce authorization on the BullMQ admin dashboard. When the server runs in queue mode with the dashboard enabled and not in cloud mode MODE=queue, ENABLEBULLMQDASHBOARD=true, and !isCloud, the /admin/queues mount is protected only by the...

PT-2026-99279

Name of the Vulnerable Software and Affected Versions Flowise versions prior to 3.1.5 Description When the server operates in queue mode with the dashboard enabled and is not in cloud mode MODE=queue, ENABLE BULLMQ DASHBOARD=true, and !isCloud, the /admin/queues endpoint is protected only by the...

DEBIAN-CVE-2026-97966

In the Linux kernel, the following vulnerability has been resolved: octeontx2-pf: reset HTB scheduler topology before freeing queues HTB offload programs NIXAFTLxXTOPOLOGY on QoS-allocated scheduler queues via otx2qostxschqsetparenttopology, but teardown freed those queues without clearing...

CVE-2026-97602

In the Linux kernel, the following vulnerability has been resolved: inet: frags: invalidate queues before flushing them fqdirpreexit flushes the skbs from incomplete queues without changing their completion state. A fragment which found a queue before highthresh was cleared can then acquire the...

CVE-2026-97602

The Linux kernel is vulnerable to a flaw where fqdir_pre_exit() flushes skbs from incomplete queues without updating their completion state. This allows a fragment to reuse stale reassembly metadata after a queue is cleared. In IPv6 , this can cause ip6_frag_reasm() to use an old nhoffset with a ...

PT-2026-98902

Name of the Vulnerable Software and Affected Versions RabbitMQ versions 3.13.0 through 3.13.14 RabbitMQ versions 4.0.x through 4.0.19 RabbitMQ versions 4.1.x through 4.1.10 RabbitMQ versions 4.2.x through 4.2.5 Description An atom table exhaustion issue exists in the management API. The PUT...

Linux Distros Unpatched Vulnerability : CVE-2026-66073

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - RabbitMQ is a messaging and streaming broker. From 3.13.0 until 3.13.15 and 4.0.20 and 4.1.11 and 4.2.6, Atom table exhaustion via management API node field. pU...

SUSE CVE-2026-93804

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: ibss: wait for in-flight TX on disconnect While leaving an IBSS in ieee80211ibssdisconnect mac80211 flushes stations, turns the carrier off and immediately tells the driver to leave as well. While there may be...

AZL-103841 CVE-2026-93804 affecting package kernel 6.6.157.1-1

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: ibss: wait for in-flight TX on disconnect While leaving an IBSS in ieee80211ibssdisconnect mac80211 flushes stations, turns the carrier off and immediately tells the driver to leave as well. While there may be...

CVE-2026-93804

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: ibss: wait for in-flight TX on disconnect While leaving an IBSS in ieee80211ibssdisconnect mac80211 flushes stations, turns the carrier off and immediately tells the driver to leave as well. While there may be...

UBUNTU-CVE-2026-93804

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: ibss: wait for in-flight TX on disconnect While leaving an IBSS in ieee80211ibssdisconnect mac80211 flushes stations, turns the carrier off and immediately tells the driver to leave as well. While there may be...