CVE-2022-48844: linux Use After Free
CVSS: 5.5v3.1MediumModified
AliasesUBUNTU-CVE-2022-48844DEBIAN-CVE-2022-48844
Published 16-07-2024Last modified 11-05-2026
Vulnerability summary
CVE-2022-48844 is a medium (CVSS 5.5) Use After Free vulnerability in linux. EPSS estimates a 0.22% chance of exploitation in the next 30 days, higher than 12.3% of scored vulnerabilities.
CVSS score
5.5/10
010
Medium · v3.1 (NVD)EPSS score
0.22%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 6 · Related 6Timeline
- 16-07-2024PublishedVulnerability first disclosed.
- 11-05-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci_core: Fix leaking sent_cmd skb sent_cmd memory is not freed before freeing hci_dev causing it to leak it contents.
CVSS metrics
3 scores · 3 sources · 1 versionMedium 5.5Preferred score · NVD (NIST)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/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:H
EPSS trend
Probability
0.22%
Chance of exploitation in the next 30 days
Percentile
12%
Versus all other CVEs
30-day change
0.00 pp
From 0.22% on 21-09-2026
21-09-202621-10-2026
EPSS score0.22%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Ubuntu69 products
- linux-allwinner-5.19All versions (No fix recorded)
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
- linux-aws-5.13All versions (No fix recorded)
- linux-aws-5.19All versions (No fix recorded)
Linux2 products
- linux≥ 58ce6d5b271ab25fb2056f84a8e5546945eb5fc9, < 3679ccc09d8806686d579095ed504e045af7f7d6 | ≥ 58ce6d5b271ab25fb2056f84a8e5546945eb5fc9, < 9473d06bd1c8da49eafb685aa95a290290c672dd | ≥ 58ce6d5b271ab25fb2056f84a8e5546945eb5fc9, < dd3b1dc3dd050f1f47cd13e300732852414270f8 | 5.15
- linux_kernel< 5.15.30 | ≥ 5.16, < 5.16.16
Debian1 product
- linux< 5.16.18-1
3 vendors · 72 products
