{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-71181","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-01-31T11:36:51.185Z","datePublished":"2026-01-31T11:38:54.221Z","dateUpdated":"2026-05-11T21:56:13.676Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T21:56:13.676Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nrust_binder: remove spin_lock() in rust_shrink_free_page()\n\nWhen forward-porting Rust Binder to 6.18, I neglected to take commit\nfb56fdf8b9a2 (\"mm/list_lru: split the lock to per-cgroup scope\") into\naccount, and apparently I did not end up running the shrinker callback\nwhen I sanity tested the driver before submission. This leads to crashes\nlike the following:\n\n\t============================================\n\tWARNING: possible recursive locking detected\n\t6.18.0-mainline-maybe-dirty #1 Tainted: G          IO\n\t--------------------------------------------\n\tkswapd0/68 is trying to acquire lock:\n\tffff956000fa18b0 (&l->lock){+.+.}-{2:2}, at: lock_list_lru_of_memcg+0x128/0x230\n\n\tbut task is already holding lock:\n\tffff956000fa18b0 (&l->lock){+.+.}-{2:2}, at: rust_helper_spin_lock+0xd/0x20\n\n\tother info that might help us debug this:\n\t Possible unsafe locking scenario:\n\n\t       CPU0\n\t       ----\n\t  lock(&l->lock);\n\t  lock(&l->lock);\n\n\t *** DEADLOCK ***\n\n\t May be due to missing lock nesting notation\n\n\t3 locks held by kswapd0/68:\n\t #0: ffffffff90d2e260 (fs_reclaim){+.+.}-{0:0}, at: kswapd+0x597/0x1160\n\t #1: ffff956000fa18b0 (&l->lock){+.+.}-{2:2}, at: rust_helper_spin_lock+0xd/0x20\n\t #2: ffffffff90cf3680 (rcu_read_lock){....}-{1:2}, at: lock_list_lru_of_memcg+0x2d/0x230\n\nTo fix this, remove the spin_lock() call from rust_shrink_free_page()."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/android/binder/page_range.rs"],"versions":[{"version":"eafedbc7c050c44744fbdf80bdf3315e860b7513","lessThan":"30a98c97f7874031f2e1de19c777ce011143cba4","status":"affected","versionType":"git"},{"version":"eafedbc7c050c44744fbdf80bdf3315e860b7513","lessThan":"361e0ff456a8daf9753c18030533256e4133ce7a","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/android/binder/page_range.rs"],"versions":[{"version":"6.18","status":"affected"},{"version":"0","lessThan":"6.18","status":"unaffected","versionType":"semver"},{"version":"6.18.6","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"6.19","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.18","versionEndExcluding":"6.18.6"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.18","versionEndExcluding":"6.19"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/30a98c97f7874031f2e1de19c777ce011143cba4"},{"url":"https://git.kernel.org/stable/c/361e0ff456a8daf9753c18030533256e4133ce7a"}],"title":"rust_binder: remove spin_lock() in rust_shrink_free_page()","x_generator":{"engine":"bippy-1.2.0"}}}}