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kernel: Bluetooth: l2cap: Add missing chan lock in l2cap_ecred_reconf_rsp

🗓️ 09 Sep 2026 01:05:25Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 14 Views

Missing lock in Linux kernel Bluetooth L2CAP causes channel list corruption enabling remote DoS.

Related
Packages
Refs
ReporterTitlePublishedViews
Family
nessus
Tenable Nessus		AlmaLinux 8 : kernel-rt (ALSA-2026:42550)
21 Jul 202600:00
–nessus
nessus
Tenable Nessus		AlmaLinux 8 : kernel (ALSA-2026:42552)
21 Jul 202600:00
–nessus
nessus
Tenable Nessus		AlmaLinux 10 : kernel (ALSA-2026:42919)
24 Jul 202600:00
–nessus
nessus
Tenable Nessus		AlmaLinux 9 : kernel (ALSA-2026:43307)
24 Jul 202600:00
–nessus
nessus
Tenable Nessus		Rocky Linux 10.2 [CIQ] Security Update: kernel / kernel-64k / kernel-64k-core / kernel-64k-debug / etc Multiple Vulnerabilities (crlsa-2026_42919)
1 Oct 202600:00
–nessus
nessus
Tenable Nessus		Rocky Linux 8.6 [CIQ] Security Update: bpftool / kernel / kernel-abi-stablelists / kernel-core / etc Multiple Vulnerabilities (ciqsa-2026_1545)
1 Oct 202600:00
–nessus
nessus
Tenable Nessus		Rocky Linux 8 [CIQ] Security Update: kernel-rt / kernel-rt-core / kernel-rt-debug / kernel-rt-debug-core / etc Multiple Vulnerabilities (crlsa-2026_42550)
1 Oct 202600:00
–nessus
nessus
Tenable Nessus		Rocky Linux 8 [CIQ] Security Update: bpftool / bpftool-debuginfo / kernel / kernel-abi-stablelists / etc Multiple Vulnerabilities (crlsa-2026_42552)
1 Oct 202600:00
–nessus
nessus
Tenable Nessus		Rocky Linux 9.2 [CIQ] Security Update: bpftool / kernel / kernel-64k / kernel-64k-core / kernel-64k-debug / etc Multiple Vulnerabilities (ciqsa-2026_1557)
1 Oct 202600:00
–nessus
nessus
Tenable Nessus		Rocky Linux 9.2 [CIQ] Security Update: bpftool / kernel / kernel-64k / kernel-64k-core / kernel-64k-debug / etc Multiple Vulnerabilities (ciqsa-2026_1575)
1 Oct 202600:00
–nessus
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OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux8.6x86_64bpftool4.18.0-372.213.1.el8_6bpftool-4.18.0-372.213.1.el8_6.x86_64.rpm
Red Hat Enterprise Linux8.6x86_64bpftool-debuginfo4.18.0-372.213.1.el8_6bpftool-debuginfo-4.18.0-372.213.1.el8_6.x86_64.rpm
Red Hat Enterprise Linux8.6x86_64kernel4.18.0-372.213.1.el8_6kernel-4.18.0-372.213.1.el8_6.x86_64.rpm
Red Hat Enterprise Linux8.6noarchkernel-abi-stablelists4.18.0-372.213.1.el8_6kernel-abi-stablelists-4.18.0-372.213.1.el8_6.noarch.rpm
Red Hat Enterprise Linux8.6x86_64kernel-core4.18.0-372.213.1.el8_6kernel-core-4.18.0-372.213.1.el8_6.x86_64.rpm
Red Hat Enterprise Linux8.6x86_64kernel-debug4.18.0-372.213.1.el8_6kernel-debug-4.18.0-372.213.1.el8_6.x86_64.rpm
Red Hat Enterprise Linux8.6x86_64kernel-debug-core4.18.0-372.213.1.el8_6kernel-debug-core-4.18.0-372.213.1.el8_6.x86_64.rpm
Red Hat Enterprise Linux8.6x86_64kernel-debug-debuginfo4.18.0-372.213.1.el8_6kernel-debug-debuginfo-4.18.0-372.213.1.el8_6.x86_64.rpm
Red Hat Enterprise Linux8.6x86_64kernel-debug-devel4.18.0-372.213.1.el8_6kernel-debug-devel-4.18.0-372.213.1.el8_6.x86_64.rpm
Red Hat Enterprise Linux8.6x86_64kernel-debug-modules4.18.0-372.213.1.el8_6kernel-debug-modules-4.18.0-372.213.1.el8_6.x86_64.rpm
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05 Oct 2026 03:33Current
7.6High risk
Vulners AI Score7.6
CVSS 3.18.8
EPSS0.00429
CWE-416
Linux kernelBluetooth L2CAPmissing channel lockDenial of Servicechannel list corruptionremote BLE
14