5.5

CVE-2024-49974: linux

CVSS: 5.5v3.1MediumModified
AliasesUBUNTU-CVE-2024-49974DEBIAN-CVE-2024-49974
Published 21-10-2024Last modified 11-05-2026
Open JSON

Vulnerability summary

CVE-2024-49974 is a medium (CVSS 5.5) vulnerability in linux. EPSS estimates a 0.27% chance of exploitation in the next 30 days, higher than 18.5% of scored vulnerabilities.

Overall risk
22/100
0100
Low · default modelHow is this calculated?
CVSS score
5.5/10
010
Medium · v3.1 (NVD)
EPSS score
0.27%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 68 · Related 66
DLA-4008-1DLA-4075-1DSA-5818-1OPENSUSE-SU-2024:14500-1OPENSUSE-SU-2025:14705-1RHSA-2025:6966

Timeline

  1. 21-10-2024
    PublishedVulnerability first disclosed.
  2. 11-05-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: NFSD: Limit the number of concurrent async COPY operations Nothing appears to limit the number of concurrent async COPY operations that clients can start. In addition, AFAICT each async COPY can copy an unlimited number of 4MB chunks, so can run for a long time. Thus IMO async COPY can become a DoS vector. Add a restriction mechanism that bounds the number of concurrent background COPY operations. Start simple and try to be fair -- this patch implements a per-namespace limit. An async COPY request that occurs while this limit is exceeded gets NFS4ERR_DELAY. The requesting client can choose to send the request again after a delay or fall back to a traditional read/write style copy. If there is need to make the mechanism more sophisticated, we can visit that in future patches.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.27%

Chance of exploitation in the next 30 days

Percentile

19%

Versus all other CVEs

30-day change

0.00 pp

From 0.27% on 18-09-2026

18-09-202618-10-2026
EPSS score
0.27%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Ubuntu130 products
  • linux< 5.4.0-214.234 | < 5.15.0-135.146 | < 6.8.0-54.56
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-aws< 5.4.0-1144.154 | < 5.15.0-1080.87 | < 6.8.0-1023.25
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Linux2 products
  • linux≥ e0639dc5805a9d4faaa2c07ad98fa853b9529dd3, < 9e52ff544e0bfa09ee339fd7b0937ee3c080c24e | ≥ e0639dc5805a9d4faaa2c07ad98fa853b9529dd3, < 43e46ee5efc03990b223f7aa8b77aa9c3d3acfdf | ≥ e0639dc5805a9d4faaa2c07ad98fa853b9529dd3, < 7ea9260874b779637aff6d24c344b8ef4ac862a0 | ≥ e0639dc5805a9d4faaa2c07ad98fa853b9529dd3, < ae267989b7b7933dfedcd26468d0a88fc3a9da9e | ≥ e0639dc5805a9d4faaa2c07ad98fa853b9529dd3, < b4e21431a0db4854b5023cd5af001be557e6c3db | ≥ e0639dc5805a9d4faaa2c07ad98fa853b9529dd3, < 6a488ad7745b8f64625c6d3a24ce7e448e83f11b | ≥ e0639dc5805a9d4faaa2c07ad98fa853b9529dd3, < aadc3bbea163b6caaaebfdd2b6c4667fbc726752 | 4.20
  • linux_kernel< 6.10.14 | ≥ 6.11, < 6.11.3
Debian1 product
  • linux< 6.1.119-1 | < 6.11.4-1

3 vendors · 133 products

References

48 links
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