CVE-2022-45934 json
An issue was discovered in the Linux kernel through 6.0.10.
published 3y ago modified 4mo ago also EUVD-2022-48777
- cvss
- 7.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.8%
- EPSS 0.8% chance of exploitation in 30 days, percentile 56%
- public exploits
- 0
- none known
Summary
An issue was discovered in the Linux kernel through 6.0.10. l2cap_config_req in net/bluetooth/l2cap_core.c has an integer wraparound via L2CAP_CONF_REQ packets.
Patch / fix
- linux linux_kernel 4.9.337, 4.14.303, 4.19.270, 5.4.229, 5.10.161, 5.15.85, 6.0.15
- linux Debian 14, Debian 13, Debian 12 6.1.4-1
debian advisories DEBIAN-CVE-2022-45934
- linux Ubuntu 18.04 LTS 4.15.0-202.213
- linux Ubuntu 20.04 LTS 5.4.0-137.154
- linux Ubuntu 22.04 LTS 5.15.0-58.64
- linux-aws Ubuntu 18.04 LTS 4.15.0-1148.160
- linux-aws Ubuntu 20.04 LTS 5.4.0-1094.102
- linux-aws Ubuntu 22.04 LTS 5.15.0-1028.32
- linux-gcp Ubuntu 20.04 LTS 5.4.0-1098.107
- linux-gcp Ubuntu 22.04 LTS 5.15.0-1027.34
ubuntu advisories UBUNTU-CVE-2022-45934
Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0
- kernel RHEL 9 5.14.0-427.13.1.el9_4
- rv RHEL 9 5.14.0-427.13.1.el9_4
- perf RHEL 9 5.14.0-427.13.1.el9_4
- rtla RHEL 9 5.14.0-427.13.1.el9_4
- bpftool RHEL 9 7.3.0-427.13.1.el9_4
- libperf RHEL 9 5.14.0-427.13.1.el9_4
- kernel-rt RHEL 9 5.14.0-427.13.1.el9_4
- kernel-64k RHEL 9 5.14.0-427.13.1.el9_4
red hat advisories RHSA-2024:2394RHSA-2024:2950RHSA-2024:3138
- kernel-64kb SLE Module for Basesystem 15 SP5 5.14.21-150500.55.88.1
- kernel-syms SLE Module for Development Tools 15 SP5 5.14.21-150500.55.88.1
- kernel-source SLE Module for Development Tools 15 SP5, SLE Module for Basesystem 15 SP5 5.14.21-150500.55.88.1
- kernel-default SLE Module for Legacy 15 SP5, SLE Module for Basesystem 15 SP5, SLE Micro 5.5 +2 more 5.14.21-150500.55.88.1
- kernel-zfcpdump SLE Module for Basesystem 15 SP5 5.14.21-150500.55.88.1
- kernel-obs-build SLE Module for Development Tools 15 SP5 5.14.21-150500.55.88.1
- kernel-default-base SLE Module for Basesystem 15 SP5, SLE Micro 5.5 5.14.21-150500.55.88.1.150500.6.39.4
- kernel-64kb SLES 15 SP3-LTSS, SLE High Performance Computing 15 SP3-LTSS, Enterprise Storage 7.1 5.3.18-150300.59.182.1
suse advisories SUSE-SU-2024:4364-1SUSE-SU-2024:4140-1SUSE-SU-2024:4131-1SUSE-SU-2024:4103-1SUSE-SU-2024:4082-1SUSE-SU-2024:4081-1
- kernel-source openSUSE Tumbleweed 6.0.12-1.1
- kernel-source openSUSE Tumbleweed 6.6.17-1.1
opensuse advisories openSUSE-SU-2024:12560-1openSUSE-SU-2024:13704-1
- kernel-rt AlmaLinux 8 4.18.0-553.rt7.342.el8_10
- kernel-rt-kvm AlmaLinux 8 4.18.0-553.rt7.342.el8_10
- kernel-rt-core AlmaLinux 8 4.18.0-553.rt7.342.el8_10
- kernel-rt-modules AlmaLinux 8 4.18.0-553.rt7.342.el8_10
- kernel-rt-debug-kvm AlmaLinux 8 4.18.0-553.rt7.342.el8_10
- kernel-rt-debug-core AlmaLinux 8 4.18.0-553.rt7.342.el8_10
- kernel-rt-debug-modules AlmaLinux 8 4.18.0-553.rt7.342.el8_10
- kernel-rt-modules-extra AlmaLinux 8 4.18.0-553.rt7.342.el8_10
almalinux advisories ALSA-2024:2950ALSA-2024:3138ALSA-2024:2394
- kernel Rocky Linux 8 4.18.0-553.123.1.el8_10.cloud.0.1
- kernel-rt Rocky Linux 8 4.18.0-553.rt7.342.el8_10
- kernel Rocky Linux 8 4.18.0-553.el8_10
rocky linux advisories RXSA-2024:3138RLSA-2024:2950RLSA-2024:3138
Is CVE-2022-45934 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerVendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
red hat product security vex CVE-2022-45934 updated cvss 6.5
kernel: integer overflow in l2cap_config_req() in net/bluetooth/l2cap_core.c
-
Red Hat Enterprise Linux 6 perf, kernel, python-perf, kernel-kdump, kernel-firmware, kernel-bootwrapper, +1 more Red Hat Enterprise Linux 7 perf, kernel, bpftool, kernel-rt, python-perf, kernel-kdump, +8 moreaffected: workaround, no fix planned “Out of support scope”
-
Red Hat Enterprise Linux 9 kernel-rt, kernel-rt-kvm, kernel-rt-core, kernel-rt-modules, kernel-rt-debug-kvm, kernel-rt-debug-core, +12 moreaffected: workaround, no fix available
-
Red Hat Enterprise Linux AppStream (v. 9) rv 5.14.0-427.13.1.el9_4, perf 5.14.0-427.13.1.el9_4, rtla 5.14.0-427.13.1.el9_4, kernel-devel-matched 5.14.0-427.13.1.el9_4, kernel-64k-devel-matched 5.14.0-427.13.1.el9_4, kernel-debug-devel-matched 5.14.0-427.13.1.el9_4, +6 morefixed: vendor fix RHSA-2024:2394
-
Red Hat Enterprise Linux BaseOS (v. 8) perf 4.18.0-553.el8_10, kernel 4.18.0-553.el8_10, bpftool 4.18.0-553.el8_10, kernel-core 4.18.0-553.el8_10, kernel-tools 4.18.0-553.el8_10, python3-perf 4.18.0-553.el8_10, +15 morefixed: vendor fix RHSA-2024:3138
-
Red Hat Enterprise Linux BaseOS (v. 9) bpftool 7.3.0-427.13.1.el9_4, kernel 5.14.0-427.13.1.el9_4, kernel-64k 5.14.0-427.13.1.el9_4, kernel-core 5.14.0-427.13.1.el9_4, kernel-tools 5.14.0-427.13.1.el9_4, python3-perf 5.14.0-427.13.1.el9_4, +28 morefixed: vendor fix RHSA-2024:2394
-
Red Hat Enterprise Linux CRB (v. 8) kernel-debuginfo-common-x86_64 4.18.0-553.el8_10, kernel-debuginfo-common-aarch64 4.18.0-553.el8_10, kernel-debuginfo-common-ppc64le 4.18.0-553.el8_10fixed: vendor fix RHSA-2024:3138
-
Red Hat Enterprise Linux CRB (v. 9) libperf 5.14.0-427.13.1.el9_4, kernel-debuginfo-common-s390x 5.14.0-427.13.1.el9_4, kernel-debuginfo-common-x86_64 5.14.0-427.13.1.el9_4, kernel-debuginfo-common-aarch64 5.14.0-427.13.1.el9_4, kernel-debuginfo-common-ppc64le 5.14.0-427.13.1.el9_4fixed: vendor fix RHSA-2024:2394
-
Red Hat Enterprise Linux NFV (v. 8) kernel-rt 4.18.0-553.rt7.342.el8_10, kernel-rt-kvm 4.18.0-553.rt7.342.el8_10, kernel-rt-core 4.18.0-553.rt7.342.el8_10, kernel-rt-modules 4.18.0-553.rt7.342.el8_10, kernel-rt-debug-kvm 4.18.0-553.rt7.342.el8_10, kernel-rt-debug-core 4.18.0-553.rt7.342.el8_10, +4 morefixed: vendor fix RHSA-2024:2950
show 3 moreshow fewer
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Red Hat Enterprise Linux NFV (v. 9) kernel-rt 5.14.0-427.13.1.el9_4, kernel-rt-kvm 5.14.0-427.13.1.el9_4, kernel-rt-core 5.14.0-427.13.1.el9_4, kernel-rt-modules 5.14.0-427.13.1.el9_4, kernel-rt-debug-kvm 5.14.0-427.13.1.el9_4, kernel-rt-debug-core 5.14.0-427.13.1.el9_4, +6 morefixed: vendor fix RHSA-2024:2394
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Red Hat Enterprise Linux RT (v. 8) kernel-rt 4.18.0-553.rt7.342.el8_10, kernel-rt-core 4.18.0-553.rt7.342.el8_10, kernel-rt-modules 4.18.0-553.rt7.342.el8_10, kernel-rt-debug-core 4.18.0-553.rt7.342.el8_10, kernel-rt-debug-modules 4.18.0-553.rt7.342.el8_10, kernel-rt-modules-extra 4.18.0-553.rt7.342.el8_10, +2 morefixed: vendor fix RHSA-2024:2950
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Red Hat Enterprise Linux RT (v. 9) kernel-rt 5.14.0-427.13.1.el9_4, kernel-rt-core 5.14.0-427.13.1.el9_4, kernel-rt-modules 5.14.0-427.13.1.el9_4, kernel-rt-debug-core 5.14.0-427.13.1.el9_4, kernel-rt-modules-core 5.14.0-427.13.1.el9_4, kernel-rt-debug-modules 5.14.0-427.13.1.el9_4, +4 morefixed: vendor fix RHSA-2024:2394
Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- no
- Technical impact
- partial
- Assessed
- last yr.
Exploit prediction
0.79% chance of exploitation in the next 30 days, higher than 56% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| CNA | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Classification
- Weakness
-
- CWE-190 Integer Overflow or Wraparound
- Technology feeds
References
-
git.kernel.org
/pub/scm/linux/kernel/git/bluetooth/bluetooth-next.git/commit/?id=ae4569813a6e931258db627cdfe50dfb4f917d5d
mailing-list, patch, vendor-advisory
-
lists.fedoraproject.org
/archives/list/package-announce%40lists.fedoraproject.org/message/NDAKCGDW6CQ6G3RZWYZJO454R3L5CTQB/
vendor-advisory
-
debian.org
/security/2023/dsa-5324
vendor-advisory, third-party-advisory
-
security.netapp.com
/advisory/ntap-20230113-0008/
third-party-advisory
-
lists.debian.org
/debian-lts-announce/2023/03/msg00000.html
mailing-list, third-party-advisory
-
lists.debian.org
/debian-lts-announce/2023/05/msg00006.html
mailing-list
Sources
- CVE List CVE-2022-45934
- NVD CVE-2022-45934
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.