CVE-2024-46777: udf: Avoid excessive partition lengths
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.
Not severe (CVSS 7.8, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 42 · Related 37Timeline
- 18-09-2024PublishedVulnerability first disclosed.
- 05-08-2026Last 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- OSV · UbuntuEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HDiffers
- NVDNIST5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HDiffers
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
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
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