CVE-2024-49884 — Use After Free in Linux

CWE-416 — Use After Free72 documents8 sources
Severity
7.8HIGHNVD
OSV8.8OSV5.5
EPSS
0.0%
top 98.42%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
12
LinuxLinux KernelDebian Linux+9 more
Timeline
PublishedOct 21
Latest updateAug 14

Description

In the Linux kernel, the following vulnerability has been resolved: ext4: fix slab-use-after-free in ext4_split_extent_at() We hit the following use-after-free: BUG: KASAN: slab-use-after-free in ext4_split_extent_at+0xba8/0xcc0 Read of size 2 at addr ffff88810548ed08 by task kworker/u20:0/40 CPU: 0 PID: 40 Comm: kworker/u20:0 Not tainted 6.9.0-dirty #724 Call Trace: kasan_report+0x93/0xc0 ext4_split_extent_at+0xba8/0xcc0 ext4_split_extent.isra.0+0x18f/0x500 ext4_split_convert_extents+0x275/…

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9

Affected Packages14 packages

▶NVDlinux/linux_kernel3.18 — 5.10.227+5
▶Debianlinux/linux_kernel< 5.10.234-1+3
▶Ubuntulinux/linux_kernel< 5.4.0-211.231+3

Patches

Patch: git.kernel.org ↗Patch: git.kernel.org ↗Patch: git.kernel.org ↗

🔴Vulnerability Details

35
OSV
linux-raspi-5.4 vulnerabilities↗2025-05-28
▶
OSV
linux-raspi vulnerabilities↗2025-05-28
▶
OSV
linux-azure-nvidia vulnerabilities↗2025-04-28
▶
OSV
linux-ibm-5.4 vulnerabilities↗2025-04-24
▶
OSV
linux-iot vulnerabilities↗2025-04-03
▶

📋Vendor Advisories

36
CISA ICS
Siemens Third-Party Components in SINEC OS↗2025-08-14
▶
Ubuntu
Linux kernel (Raspberry Pi) vulnerabilities↗2025-05-28
▶
Ubuntu
Linux kernel (Raspberry Pi) vulnerabilities↗2025-05-28
▶
Ubuntu
Linux kernel (Azure, N-Series) vulnerabilities↗2025-04-28
▶
Ubuntu
Linux kernel (IBM) vulnerabilities↗2025-04-24
▶
CVE-2024-49884 — Use After Free in Linux | cvebase