发布于3月6日3月6日 Members Ubuntu: (CVE-2023-52832): linux vulnerability Severity 4 CVSS (AV:L/AC:M/Au:N/C:P/I:P/A:P) Published 05/21/2024 Created 11/21/2024 Added 11/19/2024 Modified 02/11/2025 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: GWC 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. Solution(s) ubuntu-upgrade-linux ubuntu-upgrade-linux-aws ubuntu-upgrade-linux-aws-5-15 ubuntu-upgrade-linux-aws-5-4 ubuntu-upgrade-linux-aws-fips ubuntu-upgrade-linux-azure ubuntu-upgrade-linux-azure-5-15 ubuntu-upgrade-linux-azure-5-4 ubuntu-upgrade-linux-azure-fde ubuntu-upgrade-linux-azure-fde-5-15 ubuntu-upgrade-linux-azure-fips ubuntu-upgrade-linux-bluefield ubuntu-upgrade-linux-fips ubuntu-upgrade-linux-gcp ubuntu-upgrade-linux-gcp-5-15 ubuntu-upgrade-linux-gcp-5-4 ubuntu-upgrade-linux-gcp-fips ubuntu-upgrade-linux-gke ubuntu-upgrade-linux-gkeop ubuntu-upgrade-linux-gkeop-5-15 ubuntu-upgrade-linux-hwe-5-15 ubuntu-upgrade-linux-hwe-5-4 ubuntu-upgrade-linux-ibm ubuntu-upgrade-linux-ibm-5-15 ubuntu-upgrade-linux-ibm-5-4 ubuntu-upgrade-linux-intel-iot-realtime ubuntu-upgrade-linux-intel-iotg ubuntu-upgrade-linux-intel-iotg-5-15 ubuntu-upgrade-linux-iot ubuntu-upgrade-linux-kvm ubuntu-upgrade-linux-lowlatency ubuntu-upgrade-linux-lowlatency-hwe-5-15 ubuntu-upgrade-linux-nvidia ubuntu-upgrade-linux-nvidia-6-5 ubuntu-upgrade-linux-oracle ubuntu-upgrade-linux-oracle-5-15 ubuntu-upgrade-linux-oracle-5-4 ubuntu-upgrade-linux-raspi ubuntu-upgrade-linux-raspi-5-4 ubuntu-upgrade-linux-realtime ubuntu-upgrade-linux-riscv-5-15 ubuntu-upgrade-linux-xilinx-zynqmp References https://attackerkb.com/topics/cve-2023-52832 CVE - 2023-52832 https://git.kernel.org/linus/e160ab85166e77347d0cbe5149045cb25e83937f https://git.kernel.org/stable/c/1571120c44dbe5757aee1612c5b6097cdc42710f https://git.kernel.org/stable/c/21a0f310a9f3bfd2b4cf4f382430e638607db846 https://git.kernel.org/stable/c/298e767362cade639b7121ecb3cc5345b6529f62 https://git.kernel.org/stable/c/2be24c47ac19bf639c48c082486c08888bd603c6 https://git.kernel.org/stable/c/5a94cffe90e20e8fade0b9abd4370bd671fe87c7 https://git.kernel.org/stable/c/717de20abdcd1d4993fa450e28b8086a352620ea https://git.kernel.org/stable/c/adc2474d823fe81d8da759207f4f1d3691aa775a https://git.kernel.org/stable/c/e160ab85166e77347d0cbe5149045cb25e83937f https://git.kernel.org/stable/c/efeae5f4972f75d50002bc50eb112ab9e7069b18 https://www.cve.org/CVERecord?id=CVE-2023-52832 View more
