CVE-2024-22099: NULL pointer deference in rfcomm_check_security in Linux kernel
Vulnerability summary
CVE-2024-22099 is a medium (CVSS 6.3) NULL Pointer Dereference vulnerability in linux linux_kernel. EPSS estimates a 0.61% chance of exploitation in the next 30 days, higher than 49.2% of scored vulnerabilities.
Not severe (CVSS 6.3, network access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 48 · Related 42Timeline
- 25-01-2024PublishedVulnerability first disclosed.
- 15-10-2026Last modifiedVulnerability information updated.
Description
NULL Pointer Dereference vulnerability in Linux Linux kernel kernel on Linux, x86, ARM (net, bluetooth modules) allows Overflow Buffers. This vulnerability is associated with program files /net/bluetooth/rfcomm/core.C. This issue affects Linux kernel: v2.6.12-rc2.
CVSS metrics
5 scores · 4 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated6.3MediumCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HDiffers
- NVDNIST5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HDiffers
EPSS trend
Probability
0.61%
Chance of exploitation in the next 30 days
Percentile
49%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.61% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Ubuntu116 products
- linuxAll versions (No fix recorded) | < 4.4.0-258.292 | < 4.15.0-228.240 | < 5.4.0-189.209 | < 5.15.0-112.122
- linux-allwinner-5.19All versions (No fix recorded)
- linux-aws< 4.4.0-1135.141 | < 4.4.0-1173.188 | < 4.15.0-1172.185 | < 5.4.0-1128.138 | < 5.15.0-1063.69
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Debian1 product
- linux< 6.1.82-1 | < 6.7.12-1
Linux1 product
- linux_kernel≥ v2.6.12-rc2, < v6.8-rc1 | 2.6.12:rc2
3 vendors · 118 products