CVE-2022-3565

Linux Kernel Bluetooth l1oip_core.c del_timer use after free

HIGH

7.8

CVSS Score

Published: October 17, 2022 at 12:00 AM UTC

Updated: October 14, 2026 at 02:17 PM UTC

1 product affected across 1 vendorLinux Kernel

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Severity

HIGH7.8

Exploit prediction

EPSS 0.4%

Description

A vulnerability, which was classified as critical, has been found in Linux Kernel. Affected by this issue is the function del_timer of the file drivers/isdn/mISDN/l1oip_core.c of the component Bluetooth. The manipulation leads to use after free. It is recommended to apply a patch to fix this issue. The identifier of this vulnerability is VDB-211088.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Linux Kernel · Linux

95%

2.6.27 ≤ v < 4.9.3314.10 ≤ v < 4.14.2964.15 ≤ v < 4.19.2624.20 ≤ v < 5.4.2205.11 ≤ v < 5.15.755.16 ≤ v < 5.19.175.5 ≤ v < 5.10.1506.0 ≤ v < 6.0.3

Affected range stops below 4.14.296, so it looks safe — our inference, not a vendor statement

Affected range stops below 4.19.262, so it looks safe — our inference, not a vendor statement

Affected range stops below 4.9.331, so it looks safe — our inference, not a vendor statement

Affected range stops below 5.10.150, so it looks safe — our inference, not a vendor statement

Affected range stops below 5.15.75, so it looks safe — our inference, not a vendor statement

Affected range stops below 5.19.17, so it looks safe — our inference, not a vendor statement

Affected range stops below 5.4.220, so it looks safe — our inference, not a vendor statement

Affected range stops below 6.0.3, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

https://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next.git/commit/?id=2568a7e0832ee30b0a351016d03062ab4e0e0a3f

References (5)

PatchThird Party Advisory

Source: [email protected]

https://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next.git/commit/?id=2568a7e0832ee30b0a351016d03062ab4e0e0a3f

Mailing ListThird Party Advisory

Source: [email protected]

https://lists.debian.org/debian-lts-announce/2022/12/msg00031.html

Mailing ListThird Party Advisory

Source: [email protected]

https://lists.debian.org/debian-lts-announce/2022/12/msg00034.html

Permissions Required

Source: [email protected]

https://vuldb.com/?id.211088

Source: 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e

https://cert-portal.siemens.com/productcert/html/ssa-794697.html

CVSS

7.8HIGH[email protected]

Attack Vector: LOCAL
Complexity: LOW
Privileges: LOW
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: HIGH
Integrity: HIGH
Availability: HIGH

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-119CWE-662

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