{"uuid": "b59732cf-57d2-49fe-b3c5-e2c57791c3da", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "2a075640-a300-48a4-bb44-bc6130783b9b", "vulnerability": "CVE-2023-52832", "type": "published-proof-of-concept", "source": "https://t.me/DarkWebInformer_CVEAlerts/1530", "content": "\ud83d\udd17 DarkWebInformer.com - Cyber Threat Intelligence\n\ud83d\udccc CVE ID: CVE-2023-52832\n\ud83d\udd39 Description: 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.\n\ud83d\udccf Published: 2024-05-21T15:31:34.247Z\n\ud83d\udccf Modified: 2025-01-14T16:53:19.622Z\n\ud83d\udd17 References:\n1. https://git.kernel.org/stable/c/1571120c44dbe5757aee1612c5b6097cdc42710f\n2. https://git.kernel.org/stable/c/298e767362cade639b7121ecb3cc5345b6529f62\n3. https://git.kernel.org/stable/c/efeae5f4972f75d50002bc50eb112ab9e7069b18\n4. https://git.kernel.org/stable/c/717de20abdcd1d4993fa450e28b8086a352620ea\n5. https://git.kernel.org/stable/c/21a0f310a9f3bfd2b4cf4f382430e638607db846\n6. https://git.kernel.org/stable/c/2be24c47ac19bf639c48c082486c08888bd603c6\n7. https://git.kernel.org/stable/c/adc2474d823fe81d8da759207f4f1d3691aa775a\n8. https://git.kernel.org/stable/c/5a94cffe90e20e8fade0b9abd4370bd671fe87c7\n9. https://git.kernel.org/stable/c/e160ab85166e77347d0cbe5149045cb25e83937f", "creation_timestamp": "2025-01-14T17:21:07.000000Z"}