CVE-2024-26903 — NULL Pointer Dereference in Linux

CWE-476 — NULL Pointer Dereference46 documents8 sources
Severity
5.5MEDIUMNVD
OSV7.0OSV6.5
EPSS
0.0%
top 98.77%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
7
LinuxLinux KernelDebian Linux+4 more
Timeline
PublishedApr 17
Latest updateAug 28

Description

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: rfcomm: Fix null-ptr-deref in rfcomm_check_security During our fuzz testing of the connection and disconnection process at the RFCOMM layer, we discovered this bug. By comparing the packets from a normal connection and disconnection process with the testcase that triggered a KASAN report. We analyzed the cause of this bug as follows: 1. In the packets captured during a normal connection, the host sends a `Read Encr…

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 1.8 | Impact: 3.6

Affected Packages9 packages

▶NVDlinux/linux_kernel4.20 — 5.4.273+6
▶Debianlinux/linux_kernel< 5.10.216-1+3
▶Ubuntulinux/linux_kernel< 5.4.0-189.209+3

Patches

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

🔴Vulnerability Details

22
OSV
linux-oracle vulnerabilities↗2024-08-28
▶
OSV
linux-azure, linux-azure-4.15 vulnerabilities↗2024-08-23
▶
OSV
linux-aws, linux-aws-hwe vulnerabilities↗2024-08-22
▶
OSV
linux, linux-aws, linux-kvm, linux-lts-xenial vulnerabilities↗2024-08-21
▶
OSV
linux, linux-gcp, linux-gcp-4.15, linux-hwe, linux-kvm vulnerabilities↗2024-08-21
▶

📋Vendor Advisories

22
Ubuntu
Linux kernel (Oracle) vulnerabilities↗2024-08-28
▶
Ubuntu
Linux kernel (Azure) vulnerabilities↗2024-08-23
▶
Ubuntu
Linux kernel (AWS) vulnerabilities↗2024-08-22
▶
Ubuntu
Linux kernel vulnerabilities↗2024-08-21
▶
Ubuntu
Linux kernel vulnerabilities↗2024-07-26
▶

💬Community

1
Bugzilla
CVE-2024-26903 kernel: Bluetooth: rfcomm: Fix null-ptr-deref in rfcomm_check_security↗2024-04-17
▶