CVE-2022-48851: linux Use After Free
CVSS: 9.8v3.1CriticalModified
AliasesUBUNTU-CVE-2022-48851DEBIAN-CVE-2022-48851
Published 16-07-2024Last modified 05-08-2026
Vulnerability summary
CVE-2022-48851 is a critical (CVSS 9.8) Use After Free vulnerability in linux. EPSS estimates a 0.51% chance of exploitation in the next 30 days, higher than 42.5% of scored vulnerabilities.
CVSS score
9.8/10
010
Critical · v3.1 (CVE.org)EPSS score
0.51%
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 8 · Related 8Timeline
- 16-07-2024PublishedVulnerability first disclosed.
- 05-08-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: staging: gdm724x: fix use after free in gdm_lte_rx() The netif_rx_ni() function frees the skb so we can't dereference it to save the skb->len.
CVSS metrics
4 scores · 4 sources · 1 versionCritical 9.8Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSources4 sources · 7.8–9.8
- OSV · UbuntuEcosystem advisory · calculated9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HDiffers
- NVDNIST7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HDiffers
EPSS trend
Probability
0.51%
Chance of exploitation in the next 30 days
Percentile
43%
Versus all other CVEs
30-day change
0.00 pp
From 0.51% on 19-09-2026
19-09-202619-10-2026
EPSS score0.51%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Ubuntu93 products
- linuxAll versions (No fix recorded) | < 4.4.0-259.293 | < 4.15.0-184.194 | < 5.4.0-117.132
- linux-allwinner-5.19All versions (No fix recorded)
- linux-aws< 4.4.0-1136.142 | < 4.4.0-1174.189 | < 4.15.0-1133.143 | < 5.4.0-1078.84
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Linux2 products
- linux≥ 61e121047645122c47714fcda684d0ee67f444af, < 6dc7b87c62423bfa68139fe95e85028aab584c9a | ≥ 61e121047645122c47714fcda684d0ee67f444af, < 83a9c886c2b5a0d28c0b37e1736b47f38d61332a | ≥ 61e121047645122c47714fcda684d0ee67f444af, < 48ecdf3e29a6e514e8196691589c7dfc6c4ac169 | ≥ 61e121047645122c47714fcda684d0ee67f444af, < 403e3afe241b62401de1f8629c9c6b9b3d69dbff | ≥ 61e121047645122c47714fcda684d0ee67f444af, < 6d9700b445098dbbce0caff4b8cfca214cf1e757 | ≥ 61e121047645122c47714fcda684d0ee67f444af, < 1fb9dd3787495b4deb0efe66c58306b65691a48f | ≥ 61e121047645122c47714fcda684d0ee67f444af, < d39dc79513e99147b4c158a8a9e46743e23944f5 | ≥ 61e121047645122c47714fcda684d0ee67f444af, < fc7f750dc9d102c1ed7bbe4591f991e770c99033 | 3.12
- linux_kernel≥ 3.12, < 4.9.307 | ≥ 4.10, < 4.14.272 | ≥ 4.15, < 4.19.235 | ≥ 4.20, < 5.4.185 | ≥ 5.5, < 5.10.106 | ≥ 5.11, < 5.15.29 | ≥ 5.16, < 5.16.15
Debian1 product
- linux< 5.16.18-1
3 vendors · 96 products
