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kernel: Bluetooth: hci_sync: Fix advertising data UAFs

🗓️ 20 Oct 2026 21:00:46Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 4 Views

Use-After-Free in Linux kernel Bluetooth hci_sync causes DoS or system instability.

Related
Packages
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-74509
15 Aug 202612:27
–attackerkb
almalinux
AlmaLinux
Important: kernel security, bug fix, and enhancement update
20 Oct 202600:00
–almalinux
astralinux
AstraLinux
Astra Linux – Vulnerability in Linux 5.10
24 Aug 202610:19
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cbl_mariner
CBLMariner
CVE-2026-74509 affecting package kernel for versions less than 6.6.157.1-1
1 Oct 202604:01
–cbl_mariner
cve
CVE
CVE-2026-74509
15 Aug 202612:27
–cve
cvelist
Cvelist
CVE-2026-74509 Bluetooth: hci_sync: Fix advertising data UAFs
15 Aug 202612:27
–cvelist
debian
Debian
[SECURITY] [DLA 4777-1] linux security update
8 Sep 202616:49
–debian
debian
Debian
[SECURITY] [DLA 4788-1] linux-6.12 security update
19 Sep 202620:44
–debian
debian
Debian
[SECURITY] [DSA 6466-1] linux security update
25 Aug 202620:09
–debian
debiancve
Debian CVE
CVE-2026-74509
15 Aug 202612:27
–debiancve
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OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux9.8aarch64kernel5.14.0-687.59.1.el9_8kernel-5.14.0-687.59.1.el9_8.aarch64.rpm
Red Hat Enterprise Linux9.8ppc64lekernel5.14.0-687.59.1.el9_8kernel-5.14.0-687.59.1.el9_8.ppc64le.rpm
Red Hat Enterprise Linux9.8s390xkernel5.14.0-687.59.1.el9_8kernel-5.14.0-687.59.1.el9_8.s390x.rpm
Red Hat Enterprise Linux9.8x86_64kernel5.14.0-687.59.1.el9_8kernel-5.14.0-687.59.1.el9_8.x86_64.rpm
Red Hat Enterprise Linux9.8aarch64kernel-64k5.14.0-687.59.1.el9_8kernel-64k-5.14.0-687.59.1.el9_8.aarch64.rpm
Red Hat Enterprise Linux9.8aarch64kernel-64k-core5.14.0-687.59.1.el9_8kernel-64k-core-5.14.0-687.59.1.el9_8.aarch64.rpm
Red Hat Enterprise Linux9.8aarch64kernel-64k-debug5.14.0-687.59.1.el9_8kernel-64k-debug-5.14.0-687.59.1.el9_8.aarch64.rpm
Red Hat Enterprise Linux9.8aarch64kernel-64k-debug-core5.14.0-687.59.1.el9_8kernel-64k-debug-core-5.14.0-687.59.1.el9_8.aarch64.rpm
Red Hat Enterprise Linux9.8aarch64kernel-64k-debug-debuginfo5.14.0-687.59.1.el9_8kernel-64k-debug-debuginfo-5.14.0-687.59.1.el9_8.aarch64.rpm
Red Hat Enterprise Linux9.8aarch64kernel-64k-debug-devel5.14.0-687.59.1.el9_8kernel-64k-debug-devel-5.14.0-687.59.1.el9_8.aarch64.rpm
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21 Oct 2026 20:16Current
7.5High risk
Vulners AI Score7.5
CVSS 3.18.8
EPSS0.00249
4