CVE-2023-52832

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: don't return unset power in ieee80211_get_tx_power() We can get a UBSAN warning if ieee80211_get_tx_power() returns the INT_MIN value mac80211 internally uses for "unset power level". UBSAN: signed-integer-overflow in net/wireless/nl80211.c:3816:5 -2147483648 * 100 cannot be represented in type 'int' CPU: 0 PID: 20433 Comm: insmod Tainted: G WC OE Call Trace: dump_stack+0x74/0x92 ubsan_epilogue+0x9/0x50 handle_overflow+0x8d/0xd0 __ubsan_handle_mul_overflow+0xe/0x10 nl80211_send_iface+0x688/0x6b0 [cfg80211] [...] cfg80211_register_wdev+0x78/0xb0 [cfg80211] cfg80211_netdev_notifier_call+0x200/0x620 [cfg80211] [...] ieee80211_if_add+0x60e/0x8f0 [mac80211] ieee80211_register_hw+0xda5/0x1170 [mac80211] In this case, simply return an error instead, to indicate that no data is available.

CVSS v3 9.1 CRITICAL

9.1^/10

CVSS v3 : CRITICAL

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 5.2

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://git.kernel.org/stable/c/1571120c44dbe5757aee1612c5b6097cdc42710f
https://git.kernel.org/stable/c/21a0f310a9f3bfd2b4cf4f382430e638607db846
https://git.kernel.org/stable/c/298e767362cade639b7121ecb3cc5345b6529f62
https://git.kernel.org/stable/c/2be24c47ac19bf639c48c082486c08888bd603c6
https://git.kernel.org/stable/c/5a94cffe90e20e8fade0b9abd4370bd671fe87c7
https://git.kernel.org/stable/c/717de20abdcd1d4993fa450e28b8086a352620ea
https://git.kernel.org/stable/c/adc2474d823fe81d8da759207f4f1d3691aa775a
https://git.kernel.org/stable/c/e160ab85166e77347d0cbe5149045cb25e83937f
https://git.kernel.org/stable/c/efeae5f4972f75d50002bc50eb112ab9e7069b18
https://git.kernel.org/stable/c/1571120c44dbe5757aee1612c5b6097cdc42710f
https://git.kernel.org/stable/c/21a0f310a9f3bfd2b4cf4f382430e638607db846
https://git.kernel.org/stable/c/298e767362cade639b7121ecb3cc5345b6529f62
https://git.kernel.org/stable/c/2be24c47ac19bf639c48c082486c08888bd603c6
https://git.kernel.org/stable/c/5a94cffe90e20e8fade0b9abd4370bd671fe87c7
https://git.kernel.org/stable/c/717de20abdcd1d4993fa450e28b8086a352620ea
https://git.kernel.org/stable/c/adc2474d823fe81d8da759207f4f1d3691aa775a
https://git.kernel.org/stable/c/e160ab85166e77347d0cbe5149045cb25e83937f
https://git.kernel.org/stable/c/efeae5f4972f75d50002bc50eb112ab9e7069b18

Configurations

No configuration.

History

21 Nov 2024, 08:40

Type	Values Removed	Values Added
References	~~() https://git.kernel.org/stable/c/1571120c44dbe5757aee1612c5b6097cdc42710f -~~	() https://git.kernel.org/stable/c/1571120c44dbe5757aee1612c5b6097cdc42710f -
References	~~() https://git.kernel.org/stable/c/21a0f310a9f3bfd2b4cf4f382430e638607db846 -~~	() https://git.kernel.org/stable/c/21a0f310a9f3bfd2b4cf4f382430e638607db846 -
References	~~() https://git.kernel.org/stable/c/298e767362cade639b7121ecb3cc5345b6529f62 -~~	() https://git.kernel.org/stable/c/298e767362cade639b7121ecb3cc5345b6529f62 -
References	~~() https://git.kernel.org/stable/c/2be24c47ac19bf639c48c082486c08888bd603c6 -~~	() https://git.kernel.org/stable/c/2be24c47ac19bf639c48c082486c08888bd603c6 -
References	~~() https://git.kernel.org/stable/c/5a94cffe90e20e8fade0b9abd4370bd671fe87c7 -~~	() https://git.kernel.org/stable/c/5a94cffe90e20e8fade0b9abd4370bd671fe87c7 -
References	~~() https://git.kernel.org/stable/c/717de20abdcd1d4993fa450e28b8086a352620ea -~~	() https://git.kernel.org/stable/c/717de20abdcd1d4993fa450e28b8086a352620ea -
References	~~() https://git.kernel.org/stable/c/adc2474d823fe81d8da759207f4f1d3691aa775a -~~	() https://git.kernel.org/stable/c/adc2474d823fe81d8da759207f4f1d3691aa775a -
References	~~() https://git.kernel.org/stable/c/e160ab85166e77347d0cbe5149045cb25e83937f -~~	() https://git.kernel.org/stable/c/e160ab85166e77347d0cbe5149045cb25e83937f -
References	~~() https://git.kernel.org/stable/c/efeae5f4972f75d50002bc50eb112ab9e7069b18 -~~	() https://git.kernel.org/stable/c/efeae5f4972f75d50002bc50eb112ab9e7069b18 -

03 Jul 2024, 01:44

Type	Values Removed	Values Added
CWE		CWE-920
Summary		(es) En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: wifi: mac80211: no devolver energía no configurada en ieee80211_get_tx_power(). Podemos obtener una advertencia de UBSAN si ieee80211_get_tx_power() devuelve el valor INT_MIN que mac80211 usa internamente para "nivel de energía no configurada". UBSAN: desbordamiento de entero con signo en net/wireless/nl80211.c:3816:5 -2147483648 * 100 no se puede representar en el tipo 'int' CPU: 0 PID: 20433 Comm: insmod Contaminado: G WC OE Call Trace: dump_stack+ 0x74/0x92 ubsan_epilogue+0x9/0x50 handle_overflow+0x8d/0xd0 __ubsan_handle_mul_overflow+0xe/0x10 nl80211_send_iface+0x688/0x6b0 [cfg80211] [...] cfg80211_register_wdev+0x78/0xb0 cfg80211] cfg80211_netdev_notifier_call+0x200/0x620 [cfg80211] [.. .] ieee80211_if_add+0x60e/0x8f0 [mac80211] ieee80211_register_hw+0xda5/0x1170 [mac80211] En este caso, simplemente devuelva un error para indicar que no hay datos disponibles.
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 9.1

21 May 2024, 16:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2024-05-21 16:15

Updated : 2024-11-21 08:40

NVD link : CVE-2023-52832

Mitre link : CVE-2023-52832

CVE.ORG link : CVE-2023-52832

JSON object : View

Products Affected

No product.

CWE

CWE-920

Improper Restriction of Power Consumption

9.1 /10