CVE-2022-50315 — Improper Validation of Array Index in Linux

CWE-129 — Improper Validation of Array IndexCWE-805 — Buffer Access with Incorrect Length Value5 documents5 sources
Severity
7.8HIGHNVD
EPSS
0.0%
top 97.38%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
LinuxLinux KernelDebian Linux
Timeline
PublishedSep 15

Description

In the Linux kernel, the following vulnerability has been resolved: ata: ahci: Match EM_MAX_SLOTS with SATA_PMP_MAX_PORTS UBSAN complains about array-index-out-of-bounds: [ 1.980703] kernel: UBSAN: array-index-out-of-bounds in /build/linux-9H675w/linux-5.15.0/drivers/ata/libahci.c:968:41 [ 1.980709] kernel: index 15 is out of range for type 'ahci_em_priv [8]' [ 1.980713] kernel: CPU: 0 PID: 209 Comm: scsi_eh_8 Not tainted 5.15.0-25-generic #25-Ubuntu [ 1.980716] kernel: Hardware name: System m…

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 Packages4 packages

▶NVDlinux/linux_kernel4.10 — 4.14.298+7
▶Debianlinux/linux_kernel< 5.10.158-1+3
▶CVEListV5linux/linux18f7ba4c2f4be6b37d925931f04d6cc28d88d1ee — f70bd4339cb68bc7e206af4c922bc0d249244403+8
▶debiandebian/linux< linux 6.0.6-1 (bookworm)

Patches

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

🔴Vulnerability Details

2
OSV
CVE-2022-50315: In the Linux kernel, the following vulnerability has been resolved: ata: ahci: Match EM_MAX_SLOTS with SATA_PMP_MAX_PORTS UBSAN complains about array-↗2025-09-15
▶
GHSA
GHSA-54rc-p2rv-38v3: In the Linux kernel, the following vulnerability has been resolved: ata: ahci: Match EM_MAX_SLOTS with SATA_PMP_MAX_PORTS UBSAN complains about arra↗2025-09-15
▶

📋Vendor Advisories

2
Red Hat
kernel: ata: ahci: Match EM_MAX_SLOTS with SATA_PMP_MAX_PORTS↗2025-09-15
▶
Debian
CVE-2022-50315: linux - In the Linux kernel, the following vulnerability has been resolved: ata: ahci: ...↗2022
▶
CVE-2022-50315 — Improper Validation of Array Index | cvebase