Medium severity6.5NVD Advisory· Published Feb 2, 2021· Updated Jun 17, 2026

CVE-2020-24490

Description

Improper buffer restrictions in BlueZ may allow an unauthenticated user to potentially enable denial of service via adjacent access. This affects all Linux kernel versions that support BlueZ.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

osv-coords69 versions
pkg:apk/chainguard/bluez-plugins pkg:apk/wolfi/bluez-plugins pkg:rpm/suse/kernel-rt_debug&distro=SUSE%20Real%20Time%20Module%2015%20SP2 pkg:apk/chainguard/bluez-btmgmt pkg:apk/wolfi/bluez-doc pkg:rpm/suse/sca-patterns-sle12&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Server%20Applications%2015%20SP3 pkg:rpm/suse/sca-patterns-suma&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Server%20Applications%2015%20SP3 pkg:rpm/suse/sca-patterns-base&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Server%20Applications%2015%20SP3 pkg:rpm/suse/sca-patterns-sle11&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Server%20Applications%2015%20SP3 pkg:rpm/suse/sca-patterns-sle15&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Server%20Applications%2015%20SP3 pkg:rpm/suse/sca-server-report&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Server%20Applications%2015%20SP3 pkg:rpm/opensuse/sca-patterns-base&distro=openSUSE%20Leap%2015.3 pkg:rpm/opensuse/sca-patterns-sle12&distro=openSUSE%20Leap%2015.3 pkg:apk/chainguard/bluez-cups pkg:rpm/suse/kernel-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP2 pkg:rpm/suse/kernel-source-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP2 pkg:rpm/suse/kernel-syms-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP2 pkg:apk/chainguard/bluez-btmon pkg:apk/wolfi/bluez-btmgmt pkg:rpm/suse/sca-patterns-hae&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Server%20Applications%2015%20SP3 pkg:rpm/opensuse/sca-patterns-sle11&distro=openSUSE%20Leap%2015.3 pkg:rpm/opensuse/sca-patterns-hae&distro=openSUSE%20Leap%2015.3 pkg:rpm/opensuse/sca-patterns-suma&distro=openSUSE%20Leap%2015.3 pkg:rpm/opensuse/sca-server-report&distro=openSUSE%20Leap%2015.3 pkg:rpm/opensuse/sca-patterns-sle15&distro=openSUSE%20Leap%2015.3 pkg:rpm/opensuse/kernel-obs-build&distro=openSUSE%20Leap%2015.2 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2015%20SP2 pkg:apk/wolfi/bluez-meshctl pkg:apk/wolfi/bluez-btmon pkg:apk/wolfi/bluez-cups pkg:apk/chainguard/bluez-meshctl pkg:apk/chainguard/bluez-dev pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP2 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015%20SP2 pkg:rpm/suse/kernel-preempt&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP2 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP2 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP2 pkg:rpm/suse/kernel-livepatch-SLE15-SP2_Update_5&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP2 pkg:apk/chainguard/bluez pkg:apk/wolfi/bluez pkg:apk/chainguard/bluez-dbg pkg:apk/wolfi/bluez-dbg pkg:apk/wolfi/bluez-dev pkg:apk/chainguard/bluez-doc pkg:rpm/opensuse/kernel-obs-qa&distro=openSUSE%20Leap%2015.2 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP2 pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP2 pkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP2 pkg:rpm/suse/kernel-preempt&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP2 pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP2 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Legacy%2015%20SP2 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP2 pkg:rpm/suse/kernel-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP2 pkg:rpm/opensuse/kernel-docs&distro=openSUSE%20Leap%2015.2 pkg:rpm/opensuse/kernel-kvmsmall&distro=openSUSE%20Leap%2015.2 pkg:rpm/opensuse/kernel-preempt&distro=openSUSE%20Leap%2015.2 pkg:rpm/suse/kernel-livepatch-SLE15-SP2_Update_1&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP2 pkg:rpm/suse/kernel-livepatch-SLE15-SP2_Update_0&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP2 pkg:rpm/suse/kernel-source-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP2 pkg:rpm/suse/kernel-syms-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP2 pkg:rpm/opensuse/kernel-rt&distro=openSUSE%20Leap%2015.2 pkg:rpm/opensuse/kernel-rt_debug&distro=openSUSE%20Leap%2015.2 pkg:rpm/opensuse/kernel-source-rt&distro=openSUSE%20Leap%2015.2 pkg:rpm/opensuse/kernel-syms-rt&distro=openSUSE%20Leap%2015.2 pkg:rpm/opensuse/kernel-default&distro=openSUSE%20Leap%2015.2 pkg:rpm/opensuse/kernel-debug&distro=openSUSE%20Leap%2015.2 pkg:rpm/opensuse/kernel-source&distro=openSUSE%20Leap%2015.2 pkg:rpm/opensuse/kernel-syms&distro=openSUSE%20Leap%2015.2 pkg:rpm/opensuse/kernel-default-base&distro=openSUSE%20Leap%2015.2
< 0+ 68 more
- (no CPE)range: < 0
- (no CPE)range: < 0
- (no CPE)range: < 5.3.18-16.1
- (no CPE)range: < 0
- (no CPE)range: < 0
- (no CPE)range: < 1.5.1-150300.3.3.1
- (no CPE)range: < 1.5.0-150300.9.3.1
- (no CPE)range: < 1.5.0-150300.10.3.1
- (no CPE)range: < 1.5.1-150300.18.3.1
- (no CPE)range: < 1.5.1-150300.14.3.1
- (no CPE)range: < 1.5.1-150300.11.3.1
- (no CPE)range: < 1.5.0-150300.10.3.1
- (no CPE)range: < 1.5.1-150300.3.3.1
- (no CPE)range: < 0
- (no CPE)range: < 5.3.18-18.24.1
- (no CPE)range: < 5.3.18-18.24.1
- (no CPE)range: < 5.3.18-18.24.1
- (no CPE)range: < 0
- (no CPE)range: < 0
- (no CPE)range: < 1.5.1-150300.10.3.1
- (no CPE)range: < 1.5.1-150300.18.3.1
- (no CPE)range: < 1.5.1-150300.10.3.1
- (no CPE)range: < 1.5.0-150300.9.3.1
- (no CPE)range: < 1.5.1-150300.11.3.1
- (no CPE)range: < 1.5.1-150300.14.3.1
- (no CPE)range: < 5.3.18-lp152.47.2
- (no CPE)range: < 5.3.18-24.29.2
- (no CPE)range: < 0
- (no CPE)range: < 0
- (no CPE)range: < 0
- (no CPE)range: < 0
- (no CPE)range: < 0
- (no CPE)range: < 5.3.18-24.29.2
- (no CPE)range: < 5.3.18-24.29.2
- (no CPE)range: < 5.3.18-24.29.2
- (no CPE)range: < 5.3.18-24.29.2
- (no CPE)range: < 5.3.18-24.29.2
- (no CPE)range: < 1-5.3.3
- (no CPE)range: < 0
- (no CPE)range: < 0
- (no CPE)range: < 0
- (no CPE)range: < 0
- (no CPE)range: < 0
- (no CPE)range: < 0
- (no CPE)range: < 5.3.18-lp152.47.1
- (no CPE)range: < 5.3.18-24.29.2
- (no CPE)range: < 5.3.18-24.29.2.9.9.3
- (no CPE)range: < 5.3.18-24.29.2
- (no CPE)range: < 5.3.18-24.29.2
- (no CPE)range: < 5.3.18-24.29.2
- (no CPE)range: < 5.3.18-24.29.2
- (no CPE)range: < 5.3.18-24.29.2
- (no CPE)range: < 5.3.18-16.1
- (no CPE)range: < 5.3.18-lp152.47.1
- (no CPE)range: < 5.3.18-lp152.47.2
- (no CPE)range: < 5.3.18-lp152.47.2
- (no CPE)range: < 4-2.1
- (no CPE)range: < 4-11.2
- (no CPE)range: < 5.3.18-16.1
- (no CPE)range: < 5.3.18-16.1
- (no CPE)range: < 5.3.18-lp152.3.5.1
- (no CPE)range: < 5.3.18-lp152.3.5.1
- (no CPE)range: < 5.3.18-lp152.3.5.1
- (no CPE)range: < 5.3.18-lp152.3.5.1
- (no CPE)range: < 5.3.18-lp152.47.2
- (no CPE)range: < 5.3.18-lp152.47.2
- (no CPE)range: < 5.3.18-lp152.47.2
- (no CPE)range: < 5.3.18-lp152.47.1
- (no CPE)range: < 5.3.18-lp152.50.1.lp152.8.10.1
SUSE S.A./Linux Enterprise Debuginfoinferred
Linux/Kernelllm-fuzzy
Bluez/Bluez
cpe:2.3:a:bluez:bluez:-:*:*:*:*:*:*:*

Patches

Vulnerability mechanics

References

www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00435.htmlnvdPatchVendor Advisory

News mentions

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cvss	0.423
epss	0.002
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000