5.5

CVE-2022-48772: media: lgdt3306a: Add a check against null-pointer-def

Modified
AliasesUBUNTU-CVE-2022-48772DEBIAN-CVE-2022-48772
Published 25-06-2024Last modified 11-05-2026

Vulnerability summary

CVE-2022-48772 is a medium (CVSS 5.5) NULL Pointer Dereference vulnerability in linux. EPSS estimates a 0.24% chance of exploitation in the next 30 days, higher than 15.4% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 5.5, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
5.5/10
010
Medium · v3.1 (NVD)
EPSS score
0.24%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 36 · Related 33
DSA-5730-1MGASA-2024-0263MGASA-2024-0266SUSE-SU-2024:2360-1SUSE-SU-2024:2372-1SUSE-SU-2024:2381-1

Timeline

  1. 25-06-2024
    PublishedVulnerability first disclosed.
  2. 11-05-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: media: lgdt3306a: Add a check against null-pointer-def The driver should check whether the client provides the platform_data. The following log reveals it: [ 29.610324] BUG: KASAN: null-ptr-deref in kmemdup+0x30/0x40 [ 29.610730] Read of size 40 at addr 0000000000000000 by task bash/414 [ 29.612820] Call Trace: [ 29.613030] <TASK> [ 29.613201] dump_stack_lvl+0x56/0x6f [ 29.613496] ? kmemdup+0x30/0x40 [ 29.613754] print_report.cold+0x494/0x6b7 [ 29.614082] ? kmemdup+0x30/0x40 [ 29.614340] kasan_report+0x8a/0x190 [ 29.614628] ? kmemdup+0x30/0x40 [ 29.614888] kasan_check_range+0x14d/0x1d0 [ 29.615213] memcpy+0x20/0x60 [ 29.615454] kmemdup+0x30/0x40 [ 29.615700] lgdt3306a_probe+0x52/0x310 [ 29.616339] i2c_device_probe+0x951/0xa90

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.24%

Chance of exploitation in the next 30 days

Percentile

15%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.24% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.

Ubuntu127 products
  • linux< 4.15.0-235.247 | < 5.4.0-192.212 | < 5.15.0-121.131 | < 6.8.0-44.44
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-aws< 4.15.0-1178.191 | < 5.4.0-1130.140 | < 5.15.0-1069.75 | < 6.8.0-1015.16
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Linux2 products
  • linux≥ 4f75189024f4186a7ff9d56f4a8cb690774412ec, < 8915dcd29a82096acacf54364a8425363782aea0 | ≥ 4f75189024f4186a7ff9d56f4a8cb690774412ec, < b479fd59a1f4a342b69fce34f222d93bf791dca4 | ≥ 4f75189024f4186a7ff9d56f4a8cb690774412ec, < 526238d32c3acc3d597fd8c9a34652bfe9086cea | ≥ 4f75189024f4186a7ff9d56f4a8cb690774412ec, < d082757b8359201c3864323cea4b91ea30a1e676 | ≥ 4f75189024f4186a7ff9d56f4a8cb690774412ec, < 7d12e918f2994c883f41f22552a61b9310fa1e87 | ≥ 4f75189024f4186a7ff9d56f4a8cb690774412ec, < 8e1e00718d0d9dd83337300572561e30b9c0d115 | ≥ 4f75189024f4186a7ff9d56f4a8cb690774412ec, < c1115ddbda9c930fba0fdd062e7a8873ebaf898d | 4.11
  • linux_kernel< 5.4.278 | ≥ 5.5, < 5.10.219 | ≥ 5.11, < 5.15.161 | ≥ 5.16, < 6.1.94 | ≥ 6.2, < 6.6.34 | ≥ 6.7, < 6.9.5
Debian1 product
  • linux< 6.1.94-1 | < 6.9.7-1

3 vendors · 130 products

References

33 links
Show all 33 references