7.8

CVE-2024-46777: udf: Avoid excessive partition lengths

Modified
AliasesUBUNTU-CVE-2024-46777DEBIAN-CVE-2024-46777
Published 18-09-2024Last modified 05-08-2026

Vulnerability summary

CVE-2024-46777 is a high (CVSS 7.8) vulnerability in linux. EPSS estimates a 0.25% chance of exploitation in the next 30 days, higher than 17% 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 (CVE.org)
EPSS score
0.25%
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 42 · Related 37

Timeline

  1. 18-09-2024
    PublishedVulnerability first disclosed.
  2. 05-08-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: udf: Avoid excessive partition lengths Avoid mounting filesystems where the partition would overflow the 32-bits used for block number. Also refuse to mount filesystems where the partition length is so large we cannot safely index bits in a block bitmap.

CVSS metrics

5 scores · 4 sources · 2 versions

EPSS trend

Probability

0.25%

Chance of exploitation in the next 30 days

Percentile

17%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.25% 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

No weakness data has been published for this record.

Affected systems

Version check

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

Ubuntu130 products
  • linuxAll versions (No fix recorded) | < 4.4.0-279.313 | < 4.15.0-248.260 | < 5.4.0-200.220 | < 5.15.0-125.135 | < 6.8.0-50.51
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-aws< 4.4.0-1153.159 | < 4.4.0-1191.206 | < 4.15.0-1190.203 | < 5.4.0-1135.145 | < 5.15.0-1072.78 | < 6.8.0-1020.22
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Linux2 products
  • linux≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < c0c23130d38e8bc28e9ef581443de9b1fc749966 | ≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 1497a4484cdb2cf6c37960d788fb6ba67567bdb7 | ≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 551966371e17912564bc387fbeb2ac13077c3db1 | ≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 2ddf831451357c6da4b64645eb797c93c1c054d1 | ≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 0173999123082280cf904bd640015951f194a294 | ≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < a56330761950cb83de1dfb348479f20c56c95f90 | ≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 925fd8ee80d5348a5e965548e5484d164d19221d | ≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < ebbe26fd54a9621994bc16b14f2ba8f84c089693 | 2.6.12
  • linux_kernel< 4.19.322 | ≥ 4.20, < 5.4.284 | ≥ 5.5, < 5.10.226 | ≥ 5.11, < 5.15.167 | ≥ 5.16, < 6.1.110 | ≥ 6.2, < 6.6.51 | ≥ 6.7, < 6.10.10
Debian1 product
  • linux< 6.1.112-1 | < 6.10.11-1

3 vendors · 133 products

References

38 links
Show all 38 references