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CVE-2023-52530

Status Candidate

Overview

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: fix potential key use-after-free When ieee80211_key_link() is called by ieee80211_gtk_rekey_add() but returns 0 due to KRACK protection (identical key reinstall), ieee80211_gtk_rekey_add() will still return a pointer into the key, in a potential use-after-free. This normally doesn't happen since it's only called by iwlwifi in case of WoWLAN rekey offload which has its own KRACK protection, but still better to fix, do that by returning an error code and converting that to success on the cfg80211 boundary only, leaving the error for bad callers of ieee80211_gtk_rekey_add().

Related Files

Ubuntu Security Notice USN-6828-1
Posted Jun 12, 2024
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6828-1 - Zheng Wang discovered that the Broadcom FullMAC WLAN driver in the Linux kernel contained a race condition during device removal, leading to a use- after-free vulnerability. A physically proximate attacker could possibly use this to cause a denial of service. It was discovered that the ATA over Ethernet driver in the Linux kernel contained a race condition, leading to a use-after-free vulnerability. An attacker could use this to cause a denial of service or possibly execute arbitrary code.

tags | advisory, denial of service, arbitrary, kernel
systems | linux, ubuntu
advisories | CVE-2022-0001, CVE-2023-47233, CVE-2023-52486, CVE-2023-52491, CVE-2023-52492, CVE-2023-52493, CVE-2023-52497, CVE-2023-52530, CVE-2023-52583, CVE-2023-52588, CVE-2023-52594, CVE-2023-52598, CVE-2023-52599, CVE-2023-52601
SHA-256 | 488517b61336dab3bc51a5c78cc3f59815f9cbaf86589ad479bd44ac1cb98921
Ubuntu Security Notice USN-6795-1
Posted May 29, 2024
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6795-1 - Zheng Wang discovered that the Broadcom FullMAC WLAN driver in the Linux kernel contained a race condition during device removal, leading to a use- after-free vulnerability. A physically proximate attacker could possibly use this to cause a denial of service. It was discovered that the Open vSwitch implementation in the Linux kernel could overflow its stack during recursive action operations under certain conditions. A local attacker could use this to cause a denial of service.

tags | advisory, denial of service, overflow, kernel, local
systems | linux, ubuntu
advisories | CVE-2022-0001, CVE-2023-47233, CVE-2023-52435, CVE-2023-52491, CVE-2023-52492, CVE-2023-52494, CVE-2023-52498, CVE-2023-52530, CVE-2023-52583, CVE-2023-52587, CVE-2023-52588, CVE-2023-52595, CVE-2023-52597, CVE-2023-52598
SHA-256 | 1263e2b9ac7045e640a955619fc9ec7e9ee0cee6811cce5ca858a631117df48d
Ubuntu Security Notice USN-6777-4
Posted May 23, 2024
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6777-4 - Zheng Wang discovered that the Broadcom FullMAC WLAN driver in the Linux kernel contained a race condition during device removal, leading to a use- after-free vulnerability. A physically proximate attacker could possibly use this to cause a denial of service. Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system.

tags | advisory, denial of service, kernel
systems | linux, ubuntu
advisories | CVE-2021-46981, CVE-2023-47233, CVE-2023-52530, CVE-2023-52566, CVE-2023-52602, CVE-2023-52604, CVE-2024-26635, CVE-2024-26735, CVE-2024-26805
SHA-256 | 1ddb7b19b0860afc6380f043e7df1dbadf439c03cab8f2cbfee5d3481b830488
Ubuntu Security Notice USN-6777-3
Posted May 22, 2024
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6777-3 - Zheng Wang discovered that the Broadcom FullMAC WLAN driver in the Linux kernel contained a race condition during device removal, leading to a use- after-free vulnerability. A physically proximate attacker could possibly use this to cause a denial of service. Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system.

tags | advisory, denial of service, kernel
systems | linux, ubuntu
advisories | CVE-2021-46981, CVE-2023-47233, CVE-2023-52530, CVE-2023-52566, CVE-2023-52602, CVE-2023-52604, CVE-2024-26635, CVE-2024-26735, CVE-2024-26805
SHA-256 | 0a4ec1b5cdab50af1d45a8024a5c8ea07e1e81310889905d0a681372aa96f76c
Ubuntu Security Notice USN-6777-2
Posted May 20, 2024
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6777-2 - Zheng Wang discovered that the Broadcom FullMAC WLAN driver in the Linux kernel contained a race condition during device removal, leading to a use- after-free vulnerability. A physically proximate attacker could possibly use this to cause a denial of service. Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system.

tags | advisory, denial of service, kernel
systems | linux, ubuntu
advisories | CVE-2021-46981, CVE-2023-47233, CVE-2023-52530, CVE-2023-52566, CVE-2023-52602, CVE-2023-52604, CVE-2024-26635, CVE-2024-26735, CVE-2024-26805
SHA-256 | 72271efbeb2c8c72f119354b488d9c7dc86b9ccf7e2897aab881ff2261d7b673
Ubuntu Security Notice USN-6777-1
Posted May 17, 2024
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6777-1 - Zheng Wang discovered that the Broadcom FullMAC WLAN driver in the Linux kernel contained a race condition during device removal, leading to a use- after-free vulnerability. A physically proximate attacker could possibly use this to cause a denial of service. Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system.

tags | advisory, denial of service, kernel
systems | linux, ubuntu
advisories | CVE-2021-46981, CVE-2023-47233, CVE-2023-52530, CVE-2023-52566, CVE-2023-52602, CVE-2023-52604, CVE-2024-26635, CVE-2024-26735, CVE-2024-26805
SHA-256 | b8c50fe87a65aab78fee16a7a2e72919e82b274a3499976383ee5ba67e9b0de8
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