CVE-2023-52832

{"id": "CVE-2023-52832", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.1, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.2, "exploitabilityScore": 3.9}]}, "published": "2024-05-21T16:15:20.813", "references": [{"url": "https://git.kernel.org/stable/c/1571120c44dbe5757aee1612c5b6097cdc42710f", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/21a0f310a9f3bfd2b4cf4f382430e638607db846", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/298e767362cade639b7121ecb3cc5345b6529f62", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/2be24c47ac19bf639c48c082486c08888bd603c6", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/5a94cffe90e20e8fade0b9abd4370bd671fe87c7", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/717de20abdcd1d4993fa450e28b8086a352620ea", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/adc2474d823fe81d8da759207f4f1d3691aa775a", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/e160ab85166e77347d0cbe5149045cb25e83937f", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/efeae5f4972f75d50002bc50eb112ab9e7069b18", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Awaiting Analysis", "weaknesses": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "description": [{"lang": "en", "value": "CWE-920"}]}], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mac80211: don't return unset power in ieee80211_get_tx_power()\n\nWe can get a UBSAN warning if ieee80211_get_tx_power() returns the\nINT_MIN value mac80211 internally uses for \"unset power level\".\n\n UBSAN: signed-integer-overflow in net/wireless/nl80211.c:3816:5\n -2147483648 * 100 cannot be represented in type 'int'\n CPU: 0 PID: 20433 Comm: insmod Tainted: G WC OE\n Call Trace:\n dump_stack+0x74/0x92\n ubsan_epilogue+0x9/0x50\n handle_overflow+0x8d/0xd0\n __ubsan_handle_mul_overflow+0xe/0x10\n nl80211_send_iface+0x688/0x6b0 [cfg80211]\n [...]\n cfg80211_register_wdev+0x78/0xb0 [cfg80211]\n cfg80211_netdev_notifier_call+0x200/0x620 [cfg80211]\n [...]\n ieee80211_if_add+0x60e/0x8f0 [mac80211]\n ieee80211_register_hw+0xda5/0x1170 [mac80211]\n\nIn this case, simply return an error instead, to indicate\nthat no data is available."}, {"lang": "es", "value": " En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: wifi: mac80211: no devolver energ\u00eda 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 energ\u00eda 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."}], "lastModified": "2024-07-03T01:44:03.033", "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}