7.5

CVE-2024-50284: ksmbd: Fix the missing xa_store error check

Modified
AliasesUBUNTU-CVE-2024-50284DEBIAN-CVE-2024-50284
Published 19-11-2024Last modified 05-08-2026

Vulnerability summary

CVE-2024-50284 is a high (CVSS 7.5) vulnerability in linux. EPSS estimates a 0.54% chance of exploitation in the next 30 days, higher than 45.4% of scored vulnerabilities.

Priority
Prioritisesevere

Severe, CVSS 7.5 (CVE.org); no exploitation reported by the 5 checked sources; EPSS 1% (FIRST, 03-11-2026)

Source freshness unavailable

How is this decided?
CVSS score
7.5/10
010
High · v3.1 (CVE.org)
EPSS score
0.54%
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 12 · Related 12
DLA-4008-1DSA-5818-1USN-7310-1USN-7449-1USN-7449-2USN-7450-1

Timeline

  1. 19-11-2024
    PublishedVulnerability first disclosed.
  2. 05-08-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: ksmbd: Fix the missing xa_store error check xa_store() can fail, it return xa_err(-EINVAL) if the entry cannot be stored in an XArray, or xa_err(-ENOMEM) if memory allocation failed, so check error for xa_store() to fix it.

CVSS metrics

5 scores · 4 sources · 2 versions

EPSS trend

Probability

0.54%

Chance of exploitation in the next 30 days

Percentile

45%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.54% 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: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.

Ubuntu123 products
  • linuxAll versions (No fix recorded) | < 6.8.0-58.60
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded) | < 6.8.0-1027.29
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Linux2 products
  • linux≥ 052b41ef2abe274f068e892aee81406f11bd1f3a, < d8664ce789bd46290c59a00da6897252f92c237d | ≥ b685757c7b08d5073046fb379be965fd6c06aafc, < 726c1568b9145fa13ee248df184b186c382a7ff8 | ≥ b685757c7b08d5073046fb379be965fd6c06aafc, < c2a232c4f790f4bcd4d218904c56ac7a39a448f5 | ≥ b685757c7b08d5073046fb379be965fd6c06aafc, < 3abab905b14f4ba756d413f37f1fb02b708eee93 | 1f485b54d04a920723984062c912174330a05178 | ≥ 6.1.71, < 6.1.117 | ≥ 5.15.145, < 5.16 | 6.3
  • linux_kernel≥ 5.15.145, < 5.16 | ≥ 6.1.71, < 6.1.117 | ≥ 6.3, < 6.6.61 | ≥ 6.7, < 6.11.8 | 6.12:rc1 | 6.12:rc2 | 6.12:rc3 | 6.12:rc4 | 6.12:rc5 | 6.12:rc6
Debian1 product
  • linux< 6.1.119-1 | < 6.11.9-1

3 vendors · 126 products

References

22 links
Show all 22 references