CVE - CVE-2023-52832

CVE-ID
CVE-2023-52832	Learn more at National Vulnerability Database (NVD) • CVSS Severity Rating • Fix Information • Vulnerable Software Versions • SCAP Mappings • CPE Information
Description
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.
References
Note: References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
MISC:https://git.kernel.org/stable/c/1571120c44dbe5757aee1612c5b6097cdc42710f URL:https://git.kernel.org/stable/c/1571120c44dbe5757aee1612c5b6097cdc42710f MISC:https://git.kernel.org/stable/c/21a0f310a9f3bfd2b4cf4f382430e638607db846 URL:https://git.kernel.org/stable/c/21a0f310a9f3bfd2b4cf4f382430e638607db846 MISC:https://git.kernel.org/stable/c/298e767362cade639b7121ecb3cc5345b6529f62 URL:https://git.kernel.org/stable/c/298e767362cade639b7121ecb3cc5345b6529f62 MISC:https://git.kernel.org/stable/c/2be24c47ac19bf639c48c082486c08888bd603c6 URL:https://git.kernel.org/stable/c/2be24c47ac19bf639c48c082486c08888bd603c6 MISC:https://git.kernel.org/stable/c/5a94cffe90e20e8fade0b9abd4370bd671fe87c7 URL:https://git.kernel.org/stable/c/5a94cffe90e20e8fade0b9abd4370bd671fe87c7 MISC:https://git.kernel.org/stable/c/717de20abdcd1d4993fa450e28b8086a352620ea URL:https://git.kernel.org/stable/c/717de20abdcd1d4993fa450e28b8086a352620ea MISC:https://git.kernel.org/stable/c/adc2474d823fe81d8da759207f4f1d3691aa775a URL:https://git.kernel.org/stable/c/adc2474d823fe81d8da759207f4f1d3691aa775a MISC:https://git.kernel.org/stable/c/e160ab85166e77347d0cbe5149045cb25e83937f URL:https://git.kernel.org/stable/c/e160ab85166e77347d0cbe5149045cb25e83937f MISC:https://git.kernel.org/stable/c/efeae5f4972f75d50002bc50eb112ab9e7069b18 URL:https://git.kernel.org/stable/c/efeae5f4972f75d50002bc50eb112ab9e7069b18
Assigning CNA
kernel.org
Date Record Created
20240521	Disclaimer: The record creation date may reflect when the CVE ID was allocated or reserved, and does not necessarily indicate when this vulnerability was discovered, shared with the affected vendor, publicly disclosed, or updated in CVE.
Phase (Legacy)
Assigned (20240521)
Votes (Legacy)

Comments (Legacy)

Proposed (Legacy)
N/A
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