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kernel: Bluetooth: af_bluetooth: Fix deadlock

🗓️ 18 Sep 2024 00:24:13Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 22 Views

Fix a deadlock in Bluetooth af_bluetooth by using sk_receive_queue.lock to avoid use-after-free.

Related
Packages
Refs
ReporterTitlePublishedViews
Family
almalinux
AlmaLinux		Moderate: kernel security update
11 Sep 202400:00
–almalinux
astralinux
AstraLinux		Astra Linux – Vulnerability in Linux 5.15
14 Sep 202612:41
–astralinux
bdu_fstec
BDU FSTEC		The vulnerability of the bt_sock_recvmsg() function in the net/bluetooth/af_bluetooth.c module of the Linux Bluetooth subsystem allows a hacker to cause a service failure.
14 Apr 202500:00
–bdu_fstec
nessus
Tenable Nessus		Rocky Linux 9.2 [CIQ] Security Update: bpftool / kernel / kernel-abi-stablelists / kernel-core / etc Multiple Vulnerabilities (ciqsa-2026_0617)
1 Oct 202600:00
–nessus
nessus
Tenable Nessus		Rocky Linux 9.2 [CIQ] Security Update: kernel / kernel-64k / kernel-64k-core / kernel-64k-debug / etc Multiple Vulnerabilities (ciqsa-2026_1232)
1 Oct 202600:00
–nessus
nessus
Tenable Nessus		Rocky Linux 9.2 [CIQ] Security Update: bpftool / bpftool-debuginfo Multiple Vulnerabilities (ciqsa-2026_1233)
1 Oct 202600:00
–nessus
nessus
Tenable Nessus		Rocky Linux 9.2 [CIQ] Security Update: bpftool-debuginfo Multiple Vulnerabilities (ciqsa-2026_1234)
1 Oct 202600:00
–nessus
nessus
Tenable Nessus		Rocky Linux 9 [CIQ] Security Update: bpftool / bpftool-debuginfo / kernel / kernel-64k / kernel-64k-core / etc Multiple Vulnerabilities (crlsa-2024_6567)
1 Oct 202600:00
–nessus
nessus
Tenable Nessus		Rocky Linux 9 [CIQ] Security Update: bpftool / bpftool-debuginfo / kernel / kernel-abi-stablelists / etc Multiple Vulnerabilities (crxsa-2024_6567)
1 Oct 202600:00
–nessus
nessus
Tenable Nessus		EulerOS 2.0 SP10 : kernel (EulerOS-SA-2024-1911)
15 Jul 202400:00
–nessus
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OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux9.2aarch64bpftool7.0.0-284.84.1.el9_2bpftool-7.0.0-284.84.1.el9_2.aarch64.rpm
Red Hat Enterprise Linux9.2ppc64lebpftool7.0.0-284.84.1.el9_2bpftool-7.0.0-284.84.1.el9_2.ppc64le.rpm
Red Hat Enterprise Linux9.2s390xbpftool7.0.0-284.84.1.el9_2bpftool-7.0.0-284.84.1.el9_2.s390x.rpm
Red Hat Enterprise Linux9.2x86_64bpftool7.0.0-284.84.1.el9_2bpftool-7.0.0-284.84.1.el9_2.x86_64.rpm
Red Hat Enterprise Linux9.2aarch64bpftool-debuginfo7.0.0-284.84.1.el9_2bpftool-debuginfo-7.0.0-284.84.1.el9_2.aarch64.rpm
Red Hat Enterprise Linux9.2ppc64lebpftool-debuginfo7.0.0-284.84.1.el9_2bpftool-debuginfo-7.0.0-284.84.1.el9_2.ppc64le.rpm
Red Hat Enterprise Linux9.2s390xbpftool-debuginfo7.0.0-284.84.1.el9_2bpftool-debuginfo-7.0.0-284.84.1.el9_2.s390x.rpm
Red Hat Enterprise Linux9.2x86_64bpftool-debuginfo7.0.0-284.84.1.el9_2bpftool-debuginfo-7.0.0-284.84.1.el9_2.x86_64.rpm
Red Hat Enterprise Linux9.2aarch64kernel5.14.0-284.84.1.el9_2kernel-5.14.0-284.84.1.el9_2.aarch64.rpm
Red Hat Enterprise Linux9.2ppc64lekernel5.14.0-284.84.1.el9_2kernel-5.14.0-284.84.1.el9_2.ppc64le.rpm
Rows per page

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19 Aug 2026 17:33Current
7.2High risk
Vulners AI Score7.2
CVSS 3.16.5
EPSS0.00493
SSVC
CWE-833
bluetooth subsystemaf_bluetooth moduledeadlocksocket lock replacementuse after freereceive queue lock
22