CVE-2021-47244

In the Linux kernel, the following vulnerability has been resolved: mptcp: Fix out of bounds when parsing TCP options The TCP option parser in mptcp (mptcp_get_options) could read one byte out of bounds. When the length is 1, the execution flow gets into the loop, reads one byte of the opcode, and if the opcode is neither TCPOPT_EOL nor TCPOPT_NOP, it reads one more byte, which exceeds the length of 1. This fix is inspired by commit 9609dad263f8 ("ipv4: tcp_input: fix stack out of bounds when parsing TCP options.").
CVSS

No CVSS.

Configurations

Configuration 1 (hide)

OR cpe:2.3:o:linux:linux_kernel:5.13:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.13:rc2:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.13:rc3:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.13:rc4:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.13:rc5:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.13:rc6:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

History

04 Apr 2025, 14:30

Type Values Removed Values Added
CWE CWE-125
CPE cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.13:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.13:rc3:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.13:rc2:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.13:rc6:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.13:rc5:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.13:rc4:*:*:*:*:*:*
First Time Linux linux Kernel
Linux
References () https://git.kernel.org/stable/c/07718be265680dcf496347d475ce1a5442f55ad7 - () https://git.kernel.org/stable/c/07718be265680dcf496347d475ce1a5442f55ad7 - Patch
References () https://git.kernel.org/stable/c/73eeba71dc9932970befa009e68272a3d5ec4a58 - () https://git.kernel.org/stable/c/73eeba71dc9932970befa009e68272a3d5ec4a58 - Patch
References () https://git.kernel.org/stable/c/76e02b8905d0691e89e104a882f3bba7dd0f6037 - () https://git.kernel.org/stable/c/76e02b8905d0691e89e104a882f3bba7dd0f6037 - Patch

21 May 2024, 15:15

Type Values Removed Values Added
New CVE

Information

Published : 2024-05-21 15:15

Updated : 2025-04-04 14:30


NVD link : CVE-2021-47244

Mitre link : CVE-2021-47244


JSON object : View

Products Affected

linux

  • linux_kernel
CWE
CWE-125

Out-of-bounds Read