CVE-2020-0423

Big thank you to all the other security research people publishing their work, allowing others to learn, and do independent research. Resources: Original exploit article via longterm.io: https://www.longterm.io/cve-2020-0423.html Repo from Github user 20000s, also looking into 2020-0423:...

CVE-2026-98086: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: ALSA: ump: do not touch legacyrmidi before it exists sndumpparseendpoint sets ump-parsed on every exit, including error, before the caller attaches the legacy rawmidi device. umphandleepnamemsg then treats parsed as "legacyrmidi ...

SUSE CVE-2026-90093

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: access chan-conn safely in get/setsockopt Since commit b66774b48dd9 "Bluetooth: L2CAP: Fix UAF in channel timeout by holding conn ref" l2capchan::conn has held reference and remains non-NULL also after the...

Linux Distros Unpatched Vulnerability : CVE-2026-90093

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Bluetooth: L2CAP: access chan-conn safely in get/setsockopt Since commit b66774b48dd9 Bluetooth: L2CAP: Fix UAF in channel timeout by holding conn ref...

AZL-102689 CVE-2026-90093 affecting package kernel 6.6.157.1-1

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: access chan-conn safely in get/setsockopt Since commit b66774b48dd9 "Bluetooth: L2CAP: Fix UAF in channel timeout by holding conn ref" l2capchan::conn has held reference and remains non-NULL also after the...

CVE-2026-90093

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: access chan-conn safely in get/setsockopt Since commit b66774b48dd9 "Bluetooth: L2CAP: Fix UAF in channel timeout by holding conn ref" l2capchan::conn has held reference and remains non-NULL also after the...

CVE-2026-90093 Bluetooth: L2CAP: access chan->conn safely in get/setsockopt

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: access chan-conn safely in get/setsockopt Since commit b66774b48dd9 "Bluetooth: L2CAP: Fix UAF in channel timeout by holding conn ref" l2capchan::conn has held reference and remains non-NULL also after the...

CVE-2026-90093 Bluetooth: L2CAP: access chan->conn safely in get/setsockopt

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: access chan-conn safely in get/setsockopt Since commit b66774b48dd9 "Bluetooth: L2CAP: Fix UAF in channel timeout by holding conn ref" l2capchan::conn has held reference and remains non-NULL also after the...

EUVD-2026-81954

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: access chan-conn safely in get/setsockopt Since commit b66774b48dd9 "Bluetooth: L2CAP: Fix UAF in channel timeout by holding conn ref" l2capchan::conn has held reference and remains non-NULL also after the...

CVE-2026-90093

CVE-2026-90093 is a use-after-free bug in the Linux kernel Bluetooth L2CAP subsystem. Since commit b66774b48dd9, l2cap_chan::conn retains a reference that remains non-NULL even after the corresponding hci_conn is deleted. Accessing fields such as hci_conn::hdev in this state causes a KASAN crash ...

PT-2026-94441

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the Bluetooth L2CAP implementation where l2cap chan::conn retains a reference and remains non-NULL even after the associated hci conn is deleted. Accessing fields such...

CVE-2026-90093: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: access chan-conn safely in get/setsockopt Since commit b66774b48dd9 "Bluetooth: L2CAP: Fix UAF in channel timeout by holding conn ref" l2capchan::conn has held reference and remains non-NULL also after the...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: HID: amdsfh: Free driverdata after destroying the hid device Driver callbacks for HID are no longer called after the hiddestroydevice function is called. Therefore, the driverdata should only be freed after the hiddestroydevic...

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

In the Linux kernel, the following vulnerabilities have been resolved: jffs2: Prevent the xattr node from overflowing the eraseblock. A check has been added to ensure that the requested xattr node size is not larger than the eraseblock minus the cleanmarker. Unlike traditional inode nodes, xattr...

AZL-100814 CVE-2026-80994 affecting package kernel for versions less than 6.6.157.1-1

In the Linux kernel, the following vulnerability has been resolved: net: openvswitch: fix flow mask use-after-free on flow deletion The commit in the Fixes tag below made so flow-mask free is scheduled via RCU right after it is removed from the flow table. The pointer stays in the flow structure...

CVE-2026-74744

In the Linux kernel, the following vulnerability has been resolved: ipvlan: inherit neededheadroom and neededtailroom from phydev ipvlan devices inherit hardheaderlen from phydev during ipvlaninit, but leave neededheadroom and neededtailroom set to 0. When the underlying phydev or stacked lower...

CVE-2026-74744 ipvlan: inherit needed_headroom and needed_tailroom from phy_dev

In the Linux kernel, the following vulnerability has been resolved: ipvlan: inherit neededheadroom and neededtailroom from phydev ipvlan devices inherit hardheaderlen from phydev during ipvlaninit, but leave neededheadroom and neededtailroom set to 0. When the underlying phydev or stacked lower...

CVE-2026-74743

CVE-2026-74743 affects the Linux kernel's macvlan network driver. Macvlan devices inherit hard_header_len from the underlying device during initialization but leave needed_headroom and needed_tailroom set to zero. When the lower device requires extra headroom or tailroom (e.g., macsec , ipsec , w...

Linux Distros Unpatched Vulnerability : CVE-2026-74743

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - macvlan: inherit neededheadroom and neededtailroom from lowerdev macvlan devices inherit hardheaderlen from lowerdev during macvlaninit, but leave neededheadroo...

PT-2026-82123

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the macvlan module where devices inherit hard header len from the lower device during macvlan init but fail to inherit needed headroom and needed tailroom, leaving the...