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CVE-2023-52832

CRITICAL

9.1

Descricao

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.

Detalhes CVE

Pontuacao CVSS v3.19.1

SeveridadeCRITICAL

Vetor CVSSCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Vetor de ataqueNETWORK

ComplexidadeLOW

Privilegios necessariosNONE

Interacao do usuarioNONE

Publicado5/21/2024

Ultima modificacao1/5/2026

Fontenvd

Avistamentos honeypot0

Produtos afetados

linux:linux_kernel

Fraquezas (CWE)

CWE-920

Referencias

https://git.kernel.org/stable/c/21a0f310a9f3bfd2b4cf4f382430e638607db846(416baaa9-dc9f-4396-8d5f-8c081fb06d67)

https://git.kernel.org/stable/c/2be24c47ac19bf639c48c082486c08888bd603c6(416baaa9-dc9f-4396-8d5f-8c081fb06d67)

https://git.kernel.org/stable/c/5a94cffe90e20e8fade0b9abd4370bd671fe87c7(416baaa9-dc9f-4396-8d5f-8c081fb06d67)

https://git.kernel.org/stable/c/717de20abdcd1d4993fa450e28b8086a352620ea(416baaa9-dc9f-4396-8d5f-8c081fb06d67)

https://git.kernel.org/stable/c/adc2474d823fe81d8da759207f4f1d3691aa775a(416baaa9-dc9f-4396-8d5f-8c081fb06d67)

https://git.kernel.org/stable/c/e160ab85166e77347d0cbe5149045cb25e83937f(416baaa9-dc9f-4396-8d5f-8c081fb06d67)

https://git.kernel.org/stable/c/1571120c44dbe5757aee1612c5b6097cdc42710f(af854a3a-2127-422b-91ae-364da2661108)

https://git.kernel.org/stable/c/21a0f310a9f3bfd2b4cf4f382430e638607db846(af854a3a-2127-422b-91ae-364da2661108)

https://git.kernel.org/stable/c/298e767362cade639b7121ecb3cc5345b6529f62(af854a3a-2127-422b-91ae-364da2661108)

https://git.kernel.org/stable/c/2be24c47ac19bf639c48c082486c08888bd603c6(af854a3a-2127-422b-91ae-364da2661108)

https://git.kernel.org/stable/c/5a94cffe90e20e8fade0b9abd4370bd671fe87c7(af854a3a-2127-422b-91ae-364da2661108)

https://git.kernel.org/stable/c/717de20abdcd1d4993fa450e28b8086a352620ea(af854a3a-2127-422b-91ae-364da2661108)

https://git.kernel.org/stable/c/adc2474d823fe81d8da759207f4f1d3691aa775a(af854a3a-2127-422b-91ae-364da2661108)

https://git.kernel.org/stable/c/e160ab85166e77347d0cbe5149045cb25e83937f(af854a3a-2127-422b-91ae-364da2661108)

https://git.kernel.org/stable/c/efeae5f4972f75d50002bc50eb112ab9e7069b18(af854a3a-2127-422b-91ae-364da2661108)

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