CVE-2023-53032

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  2. Vulnerabilities (CVE)
  3. CVE-2023-53032

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

I

n the Linux kernel, the following vulnerability has been resolved: netfilter: ipset: Fix overflow before widen in the bitmap_ip_create() function. When first_ip is 0, last_ip is 0xFFFFFFFF, and netmask is 31, the value of an arithmetic expression 2 << (netmask - mask_bits - 1) is subject to overflow due to a failure casting operands to a larger data type before performing the arithmetic. Note that it's harmless since the value will be checked at the next step. Found by InfoTeCS on behalf of Linux Verification Center (linuxtesting.org) with SVACE.

References
Link Resource
https://git.kernel.org/stable/c/4e6a70fd840400e3a2e784a6673968a3eb2431c0 Patch
https://git.kernel.org/stable/c/511cf17b2447fc41cfef8d71936e1fa53e395c1e Patch
https://git.kernel.org/stable/c/9ea4b476cea1b7d461d16dda25ca3c7e616e2d15 Patch
https://git.kernel.org/stable/c/dfd834ccc1b88bbbab81b9046a3a539dd0c2d14f Patch
https://git.kernel.org/stable/c/e137d9bb26bd85ce07323a38e38ceb0b160db841 Patch
https://git.kernel.org/stable/c/e88865876d47c790be0d5e23973499d75d034364 Patch
https://git.kernel.org/stable/c/feefb33eefa166fc3e0fd17547b0bc0cb3baced9 Patch
Configurations

Configuration 1 (hide)

OR cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.2:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.2:rc2:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.2:rc3:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.2:rc4:*:*:*:*:*:*
History

31 Oct 2025, 18:49

Type Values Removed Values Added
First Time Linux linux Kernel
Linux
CPE cpe:2.3:o:linux:linux_kernel:6.2:rc4:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.2:rc3:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.2:rc2:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.2:rc1:*:*:*:*:*:*
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 5.5
Summary
  • (es) En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: netfilter: ipset: Se corrige el desbordamiento antes de la función "widen" en la función bitmap_ip_create(). Cuando first_ip es 0, last_ip es 0xFFFFFFFF y netmask es 31, el valor de una expresión aritmética 2 &lt;&lt; (netmask - mask_bits - 1) está sujeto a desbordamiento debido a un error al convertir operandos a un tipo de dato mayor antes de realizar la operación aritmética. Tenga en cuenta que esto es inofensivo, ya que el valor se comprobará en el siguiente paso. Encontrado por InfoTeCS en nombre del Centro de Verificación de Linux (linuxtesting.org) con SVACE.
References () https://git.kernel.org/stable/c/4e6a70fd840400e3a2e784a6673968a3eb2431c0 - () https://git.kernel.org/stable/c/4e6a70fd840400e3a2e784a6673968a3eb2431c0 - Patch
References () https://git.kernel.org/stable/c/511cf17b2447fc41cfef8d71936e1fa53e395c1e - () https://git.kernel.org/stable/c/511cf17b2447fc41cfef8d71936e1fa53e395c1e - Patch
References () https://git.kernel.org/stable/c/9ea4b476cea1b7d461d16dda25ca3c7e616e2d15 - () https://git.kernel.org/stable/c/9ea4b476cea1b7d461d16dda25ca3c7e616e2d15 - Patch
References () https://git.kernel.org/stable/c/dfd834ccc1b88bbbab81b9046a3a539dd0c2d14f - () https://git.kernel.org/stable/c/dfd834ccc1b88bbbab81b9046a3a539dd0c2d14f - Patch
References () https://git.kernel.org/stable/c/e137d9bb26bd85ce07323a38e38ceb0b160db841 - () https://git.kernel.org/stable/c/e137d9bb26bd85ce07323a38e38ceb0b160db841 - Patch
References () https://git.kernel.org/stable/c/e88865876d47c790be0d5e23973499d75d034364 - () https://git.kernel.org/stable/c/e88865876d47c790be0d5e23973499d75d034364 - Patch
References () https://git.kernel.org/stable/c/feefb33eefa166fc3e0fd17547b0bc0cb3baced9 - () https://git.kernel.org/stable/c/feefb33eefa166fc3e0fd17547b0bc0cb3baced9 - Patch
CWE CWE-190

27 Mar 2025, 17:15

Type Values Removed Values Added
New CVE
Information

Published : 2025-03-27 17:15

Updated : 2025-10-31 18:49

NVD link : CVE-2023-53032

Mitre link : CVE-2023-53032

CVE.ORG link : CVE-2023-53032

JSON object : View

Products Affected

linux

CWE
CWE-190

Integer Overflow or Wraparound