9.8

CVE-2024-44998: linux Use After Free

CVSS: 9.8v3.1CriticalModified
AliasesUBUNTU-CVE-2024-44998DEBIAN-CVE-2024-44998
Published 04-09-2024Last modified 05-08-2026
Open JSON

Vulnerability summary

CVE-2024-44998 is a critical (CVSS 9.8) Use After Free vulnerability in linux. EPSS estimates a 0.79% chance of exploitation in the next 30 days, higher than 55.6% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (CVE.org)
EPSS score
0.79%
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 36 · Related 31
DLA-3912-1DLA-4008-1DSA-5782-1MGASA-2024-0309MGASA-2024-0310SUSE-SU-2024:3551-1

Timeline

  1. 04-09-2024
    PublishedVulnerability first disclosed.
  2. 05-08-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: atm: idt77252: prevent use after free in dequeue_rx() We can't dereference "skb" after calling vcc->push() because the skb is released.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.79%

Chance of exploitation in the next 30 days

Percentile

56%

Versus all other CVEs

30-day change

0.00 pp

From 0.79% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.79%

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

Affected systems

Ubuntu129 products
  • linuxAll versions (No fix recorded) | < 4.4.0-261.295 | < 4.15.0-231.243 | < 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< 4.4.0-1138.144 | < 4.4.0-1176.191 | < 4.15.0-1175.188 | < 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, < 628ea82190a678a56d2ec38cda3addf3b3a6248d | ≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 09e086a5f72ea27c758b3f3b419a69000c32adc1 | ≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 1cece837e387c039225f19028df255df87a97c0d | ≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 24cf390a5426aac9255205e9533cdd7b4235d518 | ≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 379a6a326514a3e2f71b674091dfb0e0e7522b55 | ≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < ef23c18ab88e33ce000d06a5c6aad0620f219bfd | ≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 91b4850e7165a4b7180ef1e227733bcb41ccdf10 | ≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < a9a18e8f770c9b0703dab93580d0b02e199a4c79 | 2.6.12
  • linux_kernel≥ 2.6.12, < 4.19.321 | ≥ 4.20, < 5.4.283 | ≥ 5.5, < 5.10.225 | ≥ 5.11, < 5.15.166 | ≥ 5.16, < 6.1.107 | ≥ 6.2, < 6.6.48 | ≥ 6.7, < 6.10.7 | 6.11:rc1 | 6.11:rc2 | 6.11:rc3
Debian1 product
  • linux< 6.1.112-1 | < 6.10.7-1

3 vendors · 132 products

References

35 links
Show all 35 references