https://db.gcve.eu Contains only the most 10 recent entries. http://www.rssboard.org/rss-specification python-feedgen en Wed, 30 Sep 2026 00:55:38 +0000 https://db.gcve.eu/vuln/cve-2023-52832 <p><strong>Affected:</strong> Linux, linux_kernel</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>wifi: mac80211: don&#39;t return unset power in ieee80211_get_tx_power()</p> <p>We can get a UBSAN warning if ieee80211_get_tx_power() returns the INT_MIN value mac80211 internally uses for &#34;unset power level&#34;.</p> <p>UBSAN: signed-integer-overflow in net/wireless/nl80211.c:3816:5 -2147483648 * 100 cannot be represented in type &#39;int&#39; 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]</p> <p>In this case, simply return an error instead, to indicate that no data is available.</p> <p><strong>Affected:</strong> Linux, linux_kernel</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>wifi: mac80211: don&#39;t return unset power in ieee80211_get_tx_power()</p> <p>We can get a UBSAN warning if ieee80211_get_tx_power() returns the INT_MIN value mac80211 internally uses for &#34;unset power level&#34;.</p> <p>UBSAN: signed-integer-overflow in net/wireless/nl80211.c:3816:5 -2147483648 * 100 cannot be represented in type &#39;int&#39; 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]</p> <p>In this case, simply return an error instead, to indicate that no data is available.</p> https://db.gcve.eu/vuln/cve-2023-52832