Ubuntu 22.04 LTS / 24.04 LTS / Pro Realtime 22.04 LTS / Pro Realtime 24.04 LTS : Linux kernel vulnerabilities (USN-8729-1)

"The remote Ubuntu 22.04 LTS / 24.04 LTS / Pro Realtime 22.04 LTS / Pro Realtime 24.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-8729-1 advisory. Several security issues were discovered in the Linux kernel. An attacker could possibly us...

TencentOS Server 4: bluez (TSSA-2026:0960)

The version of Tencent Linux installed on the remote TencentOS Server 4 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the TSSA-2026:0960 advisory. Package updates are available for TencentOS Server 4 that fix the following vulnerabilities:...

SUSE CVE-2026-80759

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hciaml: validate firmware segment lengths amldownloadfirmware reads two lengths from the firmware header and uses them to build pointers before checking that the header and segment data are present. A truncated or...

SUSE CVE-2026-80760

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: MGMT: reject HCICMDSYNC paramslen above 255 mgmthcicmdsync checks that the message length agrees with paramslen but puts no upper bound on it. paramslen is le16 while the parameter length in the HCI command header is a...

SUSE CVE-2026-80761

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: ISO: zero the sockaddr before returning it in getname isosockgetname fills a struct sockaddriso in place and returns its size without clearing it first, so bytes it does not write are copied to user space from the kern...

SUSE CVE-2026-80763

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcievent: validate LE Set CIG Parameters response The Command Complete dispatch validates only the fixed part of the LE Set CIG Parameters response. After that part is pulled from the skb, hcicclesetcigparams trusts...

CVE-2026-80819

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: RFCOMM: take rfcommmutex for the deferred setup accept rfcommsockrecvmsg completes a deferred setup by calling rfcommdlcaccept without holding any RFCOMM lock: if testandclearbitRFCOMMDEFERSETUP, &d-flags...

AZL-99633 CVE-2026-80819 affecting package kernel for versions less than 6.6.157.1-1

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: RFCOMM: take rfcommmutex for the deferred setup accept rfcommsockrecvmsg completes a deferred setup by calling rfcommdlcaccept without holding any RFCOMM lock: if testandclearbitRFCOMMDEFERSETUP, &d-flags...

AZL-99654 CVE-2026-80763 affecting package kernel for versions less than 6.6.157.1-1

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcievent: validate LE Set CIG Parameters response The Command Complete dispatch validates only the fixed part of the LE Set CIG Parameters response. After that part is pulled from the skb, hcicclesetcigparams trusts...

AZL-99575 CVE-2026-80764 affecting package kernel for versions less than 6.6.157.1-1

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcievent: fix LE list UAF on reset hciccreset clears the LE accept and resolving lists without taking hdev-lock. Other command-complete handlers serialize updates to these lists with that lock, and the debugfs readers...

CVE-2026-80760

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: MGMT: reject HCICMDSYNC paramslen above 255 mgmthcicmdsync checks that the message length agrees with paramslen but puts no upper bound on it. paramslen is le16 while the parameter length in the HCI command header is a...

AZL-99594 CVE-2026-80761 affecting package kernel 6.6.157.1-1

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: ISO: zero the sockaddr before returning it in getname isosockgetname fills a struct sockaddriso in place and returns its size without clearing it first, so bytes it does not write are copied to user space from the kern...

AZL-99486 CVE-2026-80762 affecting package kernel for versions less than 6.6.157.1-1

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcisync: Fix accept list UAF during suspend hciupdateeventfiltersync walks hdev-acceptlist while sending a synchronous HCI command for each remote-wakeup device. The suspend path holds hdev-reqlock, but accept-list...

CVE-2026-80762

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcisync: Fix accept list UAF during suspend hciupdateeventfiltersync walks hdev-acceptlist while sending a synchronous HCI command for each remote-wakeup device. The suspend path holds hdev-reqlock, but accept-list...

CVE-2026-80764

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcievent: fix LE list UAF on reset hciccreset clears the LE accept and resolving lists without taking hdev-lock. Other command-complete handlers serialize updates to these lists with that lock, and the debugfs readers...

CVE-2026-80761

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: ISO: zero the sockaddr before returning it in getname isosockgetname fills a struct sockaddriso in place and returns its size without clearing it first, so bytes it does not write are copied to user space from the kern...

CVE-2026-80763

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcievent: validate LE Set CIG Parameters response The Command Complete dispatch validates only the fixed part of the LE Set CIG Parameters response. After that part is pulled from the skb, hcicclesetcigparams trusts...

CVE-2026-80759

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hciaml: validate firmware segment lengths amldownloadfirmware reads two lengths from the firmware header and uses them to build pointers before checking that the header and segment data are present. A truncated or...

CVE-2020-0023

CVE-2020-0022 Seems like Android 9-6 have similar Bluetooth subsystem, Android 5 and 4 are different. Android 9.0 BlueFrag experiments Patch: https://android.googlesource.com/platform/system/bt/+/3cb7149d8fed2d7d77ceaa95bf845224c4db3baf Below I hit the patched condition. OK I think I got it, but...

CVE-2026-80819 Bluetooth: RFCOMM: take rfcomm_mutex for the deferred setup accept

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: RFCOMM: take rfcommmutex for the deferred setup accept rfcommsockrecvmsg completes a deferred setup by calling rfcommdlcaccept without holding any RFCOMM lock: if testandclearbitRFCOMMDEFERSETUP, &d-flags...