{"id":"CVE-2023-52510","state":"PUBLISHED","title":"ieee802154: ca8210: Fix a potential UAF in ca8210_probe","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nieee802154: ca8210: Fix a potential UAF in ca8210_probe\n\nIf of_clk_add_provider() fails in ca8210_register_ext_clock(),\nit calls clk_unregister() to release priv->clk and returns an\nerror. However, the caller ca8210_probe() then calls ca8210_remove(),\nwhere priv->clk is freed again in ca8210_unregister_ext_clock(). In\nthis case, a use-after-free may happen in the second time we call\nclk_unregister().\n\nFix this by removing the first clk_unregister(). Also, priv->clk could\nbe an error code on failure of clk_register_fixed_rate(). Use\nIS_ERR_OR_NULL to catch this case in ca8210_unregister_ext_clock().","publishedAt":"2024-03-02T21:52:22.645Z","updatedAt":"2026-05-11T19:28:42.771Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"ded845a781a578dfb0b5b2c138e5a067aa3b1242","status":"affected","lessThan":"28b68cba378e3e50a4082b65f262bc4f2c7c2add","versionType":"git"},{"version":"ded845a781a578dfb0b5b2c138e5a067aa3b1242","status":"affected","lessThan":"cdb46be93c1f7bbf2c4649e9fc5fb147cfb5245d","versionType":"git"},{"version":"ded845a781a578dfb0b5b2c138e5a067aa3b1242","status":"affected","lessThan":"85c2857ef90041f567ce98722c1c342c4d31f4bc","versionType":"git"},{"version":"ded845a781a578dfb0b5b2c138e5a067aa3b1242","status":"affected","lessThan":"55e06850c7894f00d41b767c5f5665459f83f58f","versionType":"git"},{"version":"ded845a781a578dfb0b5b2c138e5a067aa3b1242","status":"affected","lessThan":"84c6aa0ae5c4dc121f9996bb8fed46c80909d80e","versionType":"git"},{"version":"ded845a781a578dfb0b5b2c138e5a067aa3b1242","status":"affected","lessThan":"217efe32a45249eb07dcd7197e8403de98345e66","versionType":"git"},{"version":"ded845a781a578dfb0b5b2c138e5a067aa3b1242","status":"affected","lessThan":"becf5c147198f4345243c5df0c4f035415491640","versionType":"git"},{"version":"ded845a781a578dfb0b5b2c138e5a067aa3b1242","status":"affected","lessThan":"f990874b1c98fe8e57ee9385669f501822979258","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ieee802154/ca8210.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.12","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.12","versionType":"semver"},{"version":"4.14.328","status":"unaffected","lessThanOrEqual":"4.14.*","versionType":"semver"},{"version":"4.19.297","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.259","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.199","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.136","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.59","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.5.8","status":"unaffected","lessThanOrEqual":"6.5.*","versionType":"semver"},{"version":"6.6","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ieee802154/ca8210.c"]}],"references":["https://git.kernel.org/stable/c/28b68cba378e3e50a4082b65f262bc4f2c7c2add","https://git.kernel.org/stable/c/cdb46be93c1f7bbf2c4649e9fc5fb147cfb5245d","https://git.kernel.org/stable/c/85c2857ef90041f567ce98722c1c342c4d31f4bc","https://git.kernel.org/stable/c/55e06850c7894f00d41b767c5f5665459f83f58f","https://git.kernel.org/stable/c/84c6aa0ae5c4dc121f9996bb8fed46c80909d80e","https://git.kernel.org/stable/c/217efe32a45249eb07dcd7197e8403de98345e66","https://git.kernel.org/stable/c/becf5c147198f4345243c5df0c4f035415491640","https://git.kernel.org/stable/c/f990874b1c98fe8e57ee9385669f501822979258"],"weaknesses":[],"ingestedAt":"2026-10-29T20:06:33.064Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/52xxx/CVE-2023-52510.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-52510","state":"PUBLISHED","datePublished":"2024-03-02T21:52:22.645Z","dateUpdated":"2026-05-11T19:28:42.771Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2024-02-20T12:30:33.315Z"},"containers":{"cna":{"title":"ieee802154: ca8210: Fix a potential UAF in ca8210_probe","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nieee802154: ca8210: Fix a potential UAF in ca8210_probe\n\nIf of_clk_add_provider() fails in ca8210_register_ext_clock(),\nit calls clk_unregister() to release priv->clk and returns an\nerror. 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