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CVE-2026-74529— Bluetooth: hci_sync: hold conn in hci_connect_pa_sync() callback

CVSS 7.8 · High EPSS 0.12% · P2

Affected Version Matrix 10

VendorProductVersion RangeStatus
LinuxLinux6d0417e4e1cf66fd917f06f0454958362714ef7d< c53c70ec289ee12f20c4f1b2fbfd151762c01f67affected
6d0417e4e1cf66fd917f06f0454958362714ef7d< 44fc74069d8988f2825246f9401218e29de2c0abaffected
eb8b860e87b296bd1874c79a668081efd00f9754affected
94bf6380e936339a700c0b3171a49baf512aa70baffected
6.12.28< 6.13affected
6.14.6< 6.15affected
6.15affected
< 6.15unaffected
… +2 more rows
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I. Basic Information for CVE-2026-74529

Vulnerability Information
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Vulnerability Title
Bluetooth: hci_sync: hold conn in hci_connect_pa_sync() callback
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci_sync: hold conn in hci_connect_pa_sync() callback There is theoretical UAF if the conn is freed while the hci_sync task is running. Hold refcount to avoid that.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5

Affected Products

VendorProductAffected VersionsCPESubscribe
LinuxLinux 6d0417e4e1cf66fd917f06f0454958362714ef7d ~ c53c70ec289ee12f20c4f1b2fbfd151762c01f67 -
LinuxLinux 6.15 -

II. Public POCs for CVE-2026-74529

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III. Intelligence Information for CVE-2026-74529

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Patches & Fixes for CVE-2026-74529 (2)

Same Patch Batch · Linux · 2026-08-15 · 846 CVEs total

CVE-2026-7447510.0 CRITICALvxlan: use neigh_ha_snapshot() in route_shortcircuit()
CVE-2026-7242110.0 CRITICALipv4: fib: Don't ignore error route in local/main tables.
CVE-2026-7427910.0 CRITICALcrypto: cavium/cpt - fix DMA cleanup using wrong loop index
CVE-2026-7428010.0 CRITICALcrypto: marvell/octeontx - fix DMA cleanup using wrong loop index
CVE-2026-7430910.0 CRITICALvdpa/octeon_ep: fix IRQ-to-ring mapping in interrupt handler
CVE-2026-7240810.0 CRITICALgeneve: gate GRO hint in geneve_gro_complete() on gs->gro_hint
CVE-2026-7240710.0 CRITICALgeneve: validate inner network offset in geneve_gro_complete()
CVE-2026-724939.9 CRITICALnet: serialize netif_running() check in enqueue_to_backlog()
CVE-2026-744339.8 CRITICALrxrpc: Fix UAF in rxgk_issue_challenge()
CVE-2026-722089.8 CRITICALntfs: add bounds check before accessing EA entries
CVE-2026-720659.8 CRITICALnet: mana: Validate the packet length reported by the NIC
CVE-2026-720649.8 CRITICALnet: mana: Sync page pool RX frags for CPU
CVE-2026-723179.8 CRITICALSUNRPC: pin upper rpc_clnt across the TLS connect_worker
CVE-2026-744279.8 CRITICALafs: Fix netns teardown to cancel the preallocation charger
CVE-2026-721379.8 CRITICALxfrm: nat_keepalive: avoid double free on send error
CVE-2026-724299.8 CRITICALipv6: ioam: fix type confusion of dst_entry
CVE-2026-744289.8 CRITICALrxrpc: Fix double unlock in rxrpc_recvmsg()
CVE-2026-721399.8 CRITICALtcp: defer md5sig_info kfree past RCU grace period in tcp_connect
CVE-2026-724369.8 CRITICALnetfilter: ipset: Don't use test_bit() in lockless RCU readers in hash types
CVE-2026-720469.8 CRITICALgve: fix header buffer corruption with header-split and HW-GRO

Showing top 20 of 846 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2026-74529

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