CVE-2022-49063 — Use After Free in Linux

CWE-416 — Use After FreeCWE-825 — Expired Pointer Dereference26 documents7 sources
Severity
7.8HIGHNVD
OSV8.8
EPSS
0.0%
top 94.94%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
5
LinuxLinux KernelDebian Linux+2 more
Timeline
PublishedFeb 26
Latest updateSep 2

Description

In the Linux kernel, the following vulnerability has been resolved: ice: arfs: fix use-after-free when freeing @rx_cpu_rmap The CI testing bots triggered the following splat: [ 718.203054] BUG: KASAN: use-after-free in free_irq_cpu_rmap+0x53/0x80 [ 718.206349] Read of size 4 at addr ffff8881bd127e00 by task sh/20834 [ 718.212852] CPU: 28 PID: 20834 Comm: sh Kdump: loaded Tainted: G S W IOE 5.17.0-rc8_nextqueue-devqueue-02643-g23f3121aca93 #1 [ 718.219695] Hardware name: Intel Corporation S260…

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 Packages6 packages

▶NVDlinux/linux_kernel5.8 — 5.10.238+3
▶Debianlinux/linux_kernel< 5.10.244-1+3
▶Ubuntulinux/linux_kernel< 5.15.0-144.157
▶CVEListV5linux/linux28bf26724fdb0e02267d19e280d6717ee810a10d — ba2f6ec28733fb6b24ed086e676df3df4c138f3f+4
▶debiandebian/linux< linux 5.17.6-1 (bookworm)

Also affects: Debian Linux 11.0

Patches

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

🔴Vulnerability Details

12
OSV
linux-azure-5.15 vulnerabilities↗2025-09-02
▶
OSV
linux-azure-fips vulnerabilities↗2025-08-22
▶
OSV
linux-azure vulnerabilities↗2025-08-22
▶
OSV
linux-raspi vulnerabilities↗2025-08-05
▶
OSV
linux-xilinx-zynqmp vulnerabilities↗2025-07-29
▶

📋Vendor Advisories

13
Ubuntu
Linux kernel (Azure) vulnerabilities↗2025-09-02
▶
Ubuntu
Linux kernel (Azure FIPS) vulnerabilities↗2025-08-22
▶
Ubuntu
Linux kernel (Azure) vulnerabilities↗2025-08-22
▶
Ubuntu
Linux kernel (Raspberry Pi) vulnerabilities↗2025-08-05
▶
Ubuntu
Linux kernel (Xilinx ZynqMP) vulnerabilities↗2025-07-29
▶