CVE-2022-49807

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2022-49807
In the Linux kernel, the following vulnerability has been resolved: nvmet: fix a memory leak in nvmet_auth_set_key When changing dhchap secrets we need to release the old secrets as well. kmemleak complaint: -- unreferenced object 0xffff8c7f44ed8180 (size 64): comm "check", pid 7304, jiffies 4295686133 (age 72034.246s) hex dump (first 32 bytes): 44 48 48 43 2d 31 3a 30 30 3a 4c 64 4c 4f 64 71 DHHC-1:00:LdLOdq 79 56 69 67 77 48 55 32 6d 5a 59 4c 7a 35 59 38 yVigwHU2mZYLz5Y8 backtrace: [<00000000b6fc5071>] kstrdup+0x2e/0x60 [<00000000f0f4633f>] 0xffffffffc0e07ee6 [<0000000053006c05>] 0xffffffffc0dff783 [<00000000419ae922>] configfs_write_iter+0xb1/0x120 [<000000008183c424>] vfs_write+0x2be/0x3c0 [<000000009005a2a5>] ksys_write+0x5f/0xe0 [<00000000cd495c89>] do_syscall_64+0x38/0x90 [<00000000f2a84ac5>] entry_SYSCALL_64_after_hwframe+0x63/0xcd

5.5 /10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://git.kernel.org/stable/c/0a52566279b4ee65ecd2503d7b7342851f84755c Patch
https://git.kernel.org/stable/c/65710ea51d4a185592c7b14c9e33d0c4a364f074 Patch
Configurations

Configuration 1 (hide)

OR cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.1:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.1:rc2:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.1:rc3:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.1:rc4:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.1:rc5:*:*:*:*:*:*
History

07 Nov 2025, 19:20

Type Values Removed Values Added
CWE CWE-401
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 5.5
CPE cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.1:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.1:rc3:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.1:rc5:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.1:rc2:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.1:rc4:*:*:*:*:*:*
References () https://git.kernel.org/stable/c/0a52566279b4ee65ecd2503d7b7342851f84755c - () https://git.kernel.org/stable/c/0a52566279b4ee65ecd2503d7b7342851f84755c - Patch
References () https://git.kernel.org/stable/c/65710ea51d4a185592c7b14c9e33d0c4a364f074 - () https://git.kernel.org/stable/c/65710ea51d4a185592c7b14c9e33d0c4a364f074 - Patch
First Time Linux
Linux linux Kernel

02 May 2025, 13:53

Type Values Removed Values Added
Summary
  • (es) En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: nvmet: corrige una pérdida de memoria en nvmet_auth_set_key Al cambiar los secretos de dhchap, también debemos liberar los secretos antiguos. Queja de kmemleak: -- objeto sin referencia 0xffff8c7f44ed8180 (tamaño 64): comm "check", pid 7304, jiffies 4295686133 (edad 72034.246s) volcado hexadecimal (primeros 32 bytes): 44 48 48 43 2d 31 3a 30 30 3a 4c 64 4c 4f 64 71 DHHC-1:00:LdLOdq 79 56 69 67 77 48 55 32 6d 5a 59 4c 7a 35 59 38 yVigwHU2mZYLz5Y8 backtrace: [&lt;00000000b6fc5071&gt;] kstrdup+0x2e/0x60 [&lt;00000000f0f4633f&gt;] 0xffffffffc0e07ee6 [&lt;0000000053006c05&gt;] 0xffffffffc0dff783 [&lt;00000000419ae922&gt;] configfs_write_iter+0xb1/0x120 [&lt;000000008183c424&gt;] vfs_write+0x2be/0x3c0 [&lt;000000009005a2a5&gt;] ksys_write+0x5f/0xe0 [&lt;00000000cd495c89&gt;] do_syscall_64+0x38/0x90 [&lt;00000000f2a84ac5&gt;] entry_SYSCALL_64_after_hwframe+0x63/0xcd

01 May 2025, 15:16

Type Values Removed Values Added
New CVE
Information

Published : 2025-05-01 15:16

Updated : 2025-11-07 19:20

NVD link : CVE-2022-49807

Mitre link : CVE-2022-49807

CVE.ORG link : CVE-2022-49807

JSON object : View

Products Affected

linux

  • linux_kernel
CWE
CWE-401

Missing Release of Memory after Effective Lifetime