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CVE-2023-1989 is a race-condition use-after-free vulnerability in the Linux kernel Generic Bluetooth SDIO driver. The flaw is in btsdio_remove() in drivers/bluetooth/btsdio.c: removing an SDIO Bluetooth device while an associated job remains unfinished can allow concurrent activity to access an already-freed Bluetooth hdev object. The issue was fixed upstream and is listed as fixed in Linux kernel 6.3-rc4.
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What an attacker gets, and what they’ve been doing with it.
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Patch, then assume compromise.
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No public exploit code observed for this vulnerability.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
13 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
Linux kernel Bluetooth SDIO driver race condition leading to use-after-free.
Linux kernel Bluetooth SDIO driver race-condition use-after-free.
Linux kernel use-after-free in btsdio_remove() caused by a race condition.
Linux kernel Bluetooth SDIO driver use-after-free vulnerability.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.