CVE-2024-27405 — NULL Pointer Dereference in Linux

CWE-476 — NULL Pointer Dereference30 documents8 sources
Severity
7.5HIGHNVD
OSV7.8OSV7.0OSV6.5OSV5.5
EPSS
0.1%
top 64.79%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
4
LinuxLinux KernelDebian Linux+1 more
Timeline
PublishedMay 17
Latest updateAug 14

Description

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: ncm: Avoid dropping datagrams of properly parsed NTBs It is observed sometimes when tethering is used over NCM with Windows 11 as host, at some instances, the gadget_giveback has one byte appended at the end of a proper NTB. When the NTB is parsed, unwrap call looks for any leftover bytes in SKB provided by u_ether and if there are any pending bytes, it treats them as a separate NTB and parses it. But in case the …

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages5 packages

▶NVDlinux/linux_kernel2.6.38 — 4.19.308+7
▶Debianlinux/linux_kernel< 5.10.216-1+3
▶Ubuntulinux/linux_kernel< 5.4.0-186.206+1
▶CVEListV5linux/linux9f6ce4240a2bf456402c15c06768059e5973f28c — 059285e04ebb273d32323fbad5431c5b94f77e48+8
▶debiandebian/linux< linux 6.1.82-1 (bookworm)

Also affects: Debian Linux 10.0

Patches

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

🔴Vulnerability Details

14
OSV
linux-raspi vulnerabilities↗2024-07-26
▶
OSV
linux-ibm-5.15 vulnerabilities↗2024-07-10
▶
OSV
linux-hwe-5.15 vulnerabilities↗2024-07-04
▶
OSV
linux-bluefield, linux-iot vulnerabilities↗2024-07-03
▶
OSV
linux-azure, linux-azure-fde vulnerabilities↗2024-06-14
▶

📋Vendor Advisories

14
CISA ICS
Siemens SINEC OS↗2025-08-14
▶
Ubuntu
Linux kernel vulnerabilities↗2024-07-26
▶
Ubuntu
Linux kernel (IBM) vulnerabilities↗2024-07-10
▶
Ubuntu
Linux kernel (HWE) vulnerabilities↗2024-07-04
▶
Ubuntu
Linux kernel (Azure) vulnerabilities↗2024-06-14
▶

💬Community

1
Bugzilla
CVE-2024-27405 kernel: usb: gadget: ncm: Avoid dropping datagrams of properly parsed NTBs↗2024-05-17
▶