CVE-2024-42254 (GCVE-0-2024-42254)
Vulnerability from cvelistv5
Published
2024-08-08 08:49
Modified
2025-05-04 09:25
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: io_uring: fix error pbuf checking Syz reports a problem, which boils down to NULL vs IS_ERR inconsistent error handling in io_alloc_pbuf_ring(). KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] RIP: 0010:__io_remove_buffers+0xac/0x700 io_uring/kbuf.c:341 Call Trace: <TASK> io_put_bl io_uring/kbuf.c:378 [inline] io_destroy_buffers+0x14e/0x490 io_uring/kbuf.c:392 io_ring_ctx_free+0xa00/0x1070 io_uring/io_uring.c:2613 io_ring_exit_work+0x80f/0x8a0 io_uring/io_uring.c:2844 process_one_work kernel/workqueue.c:3231 [inline] process_scheduled_works+0xa2c/0x1830 kernel/workqueue.c:3312 worker_thread+0x86d/0xd40 kernel/workqueue.c:3390 kthread+0x2f0/0x390 kernel/kthread.c:389 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/68d19af95a353f5e2b021602180b65b303eba99dPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/78aefac7efdffddf7889405b7c08e6e0f030fa35
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/bcc87d978b834c298bbdd9c52454c5d0a946e97ePatch
Impacted products
Vendor Product Version
Linux Linux Version: 46b1b3d81a7e99574e1a2f914086bc2fe382d79d
Version: 87585b05757dc70545efb434669708d276125559
Version: 87585b05757dc70545efb434669708d276125559
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   Linux Linux Version: 6.10
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