7.8

CVE-2024-43852: hwmon: (ltc2991) re-order conditions to fix off by one bug

Analyzed
AliasesUBUNTU-CVE-2024-43852DEBIAN-CVE-2024-43852
Published 17-08-2024Last modified 11-05-2026

Vulnerability summary

CVE-2024-43852 is a high (CVSS 7.8) Off-by-one Error vulnerability in linux. EPSS estimates a 0.20% chance of exploitation in the next 30 days, higher than 10.1% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 7.8, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
7.8/10
010
High · v3.1 (NVD)
EPSS score
0.20%
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 5 · Related 5
USN-7154-1USN-7154-2USN-7155-1USN-7156-1USN-7196-1

Timeline

  1. 17-08-2024
    PublishedVulnerability first disclosed.
  2. 11-05-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: hwmon: (ltc2991) re-order conditions to fix off by one bug LTC2991_T_INT_CH_NR is 4. The st->temp_en[] array has LTC2991_MAX_CHANNEL (4) elements. Thus if "channel" is equal to LTC2991_T_INT_CH_NR then we have read one element beyond the end of the array. Flip the conditions around so that we check if "channel" is valid before using it as an array index.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.20%

Chance of exploitation in the next 30 days

Percentile

10%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.20% 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.

Ubuntu92 products
  • linux< 6.8.0-50.51
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-aws< 6.8.0-1020.22
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Linux2 products
  • linux≥ 2b9ea4262ae9114b0b86ac893b4d6175d8520001, < c180311c0a520692e2d0e9ca44dcd6c2ff1b41c4 | ≥ 2b9ea4262ae9114b0b86ac893b4d6175d8520001, < 99bf7c2eccff82760fa23ce967cc67c8c219c6a6 | 6.7
  • linux_kernel≥ 6.7, < 6.10.3
Debian1 product
  • linux< 6.10.3-1

3 vendors · 95 products

References

11 links
Show all 11 references