CVE-2024-56663 — Off-by-one Error in Linux

CWE-193 — Off-by-one Error38 documents7 sources
Severity
7.1HIGHNVD
OSV8.8OSV5.5
EPSS
0.0%
top 94.41%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
6
LinuxLinux KernelDebian Linux+3 more
Timeline
PublishedDec 27
Latest updateMay 26

Description

In the Linux kernel, the following vulnerability has been resolved: wifi: nl80211: fix NL80211_ATTR_MLO_LINK_ID off-by-one Since the netlink attribute range validation provides inclusive checking, the *max* of attribute NL80211_ATTR_MLO_LINK_ID should be IEEE80211_MLD_MAX_NUM_LINKS - 1 otherwise causing an off-by-one. One crash stack for demonstration: BUG: KASAN: wild-memory-access in ieee80211_tx_control_port+0x3b6/0xca0 net/mac80211/tx.c:5939 Read of size 6 at addr 001102080000000c by task…

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:HExploitability: 1.8 | Impact: 5.2

Affected Packages8 packages

▶NVDlinux/linux_kernel5.19.2 — 5.20+4
▶Debianlinux/linux_kernel< 6.1.123-1+2
▶Ubuntulinux/linux_kernel< 6.8.0-56.58

Patches

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

🔴Vulnerability Details

18
OSV
linux-raspi vulnerabilities↗2025-05-26
▶
OSV
linux-raspi-realtime vulnerabilities↗2025-05-20
▶
OSV
linux-azure-nvidia vulnerabilities↗2025-04-28
▶
OSV
linux-aws-6.8 vulnerabilities↗2025-04-23
▶
OSV
linux-azure-6.8 vulnerabilities↗2025-04-01
▶

📋Vendor Advisories

19
Ubuntu
Linux kernel (Raspberry Pi) vulnerabilities↗2025-05-26
▶
Ubuntu
Linux kernel (Raspberry Pi Real-time) vulnerabilities↗2025-05-20
▶
Ubuntu
Linux kernel (Azure, N-Series) vulnerabilities↗2025-04-28
▶
Ubuntu
Linux kernel vulnerabilities↗2025-04-23
▶
Ubuntu
Linux kernel (Azure) vulnerabilities↗2025-04-01
▶
CVE-2024-56663 — Off-by-one Error in Linux | cvebase