CVE-2024-41087

Description

In the Linux kernel, the following vulnerability has been resolved: ata: libata-core: Fix double free on error If e.g. the ata_port_alloc() call in ata_host_alloc() fails, we will jump to the err_out label, which will call devres_release_group(). devres_release_group() will trigger a call to ata_host_release(). ata_host_release() calls kfree(host), so executing the kfree(host) in ata_host_alloc() will lead to a double free: kernel BUG at mm/slub.c:553! Oops: invalid opcode: 0000 [#1] PREEMPT SMP NOPTI CPU: 11 PID: 599 Comm: (udev-worker) Not tainted 6.10.0-rc5 #47 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.3-2.fc40 04/01/2014 RIP: 0010:kfree+0x2cf/0x2f0 Code: 5d 41 5e 41 5f 5d e9 80 d6 ff ff 4d 89 f1 41 b8 01 00 00 00 48 89 d9 48 89 da RSP: 0018:ffffc90000f377f0 EFLAGS: 00010246 RAX: ffff888112b1f2c0 RBX: ffff888112b1f2c0 RCX: ffff888112b1f320 RDX: 000000000000400b RSI: ffffffffc02c9de5 RDI: ffff888112b1f2c0 RBP: ffffc90000f37830 R08: 0000000000000000 R09: 0000000000000000 R10: ffffc90000f37610 R11: 617461203a736b6e R12: ffffea00044ac780 R13: ffff888100046400 R14: ffffffffc02c9de5 R15: 0000000000000006 FS: 00007f2f1cabe980(0000) GS:ffff88813b380000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f2f1c3acf75 CR3: 0000000111724000 CR4: 0000000000750ef0 PKRU: 55555554 Call Trace: <TASK> ? __die_body.cold+0x19/0x27 ? die+0x2e/0x50 ? do_trap+0xca/0x110 ? do_error_trap+0x6a/0x90 ? kfree+0x2cf/0x2f0 ? exc_invalid_op+0x50/0x70 ? kfree+0x2cf/0x2f0 ? asm_exc_invalid_op+0x1a/0x20 ? ata_host_alloc+0xf5/0x120 [libata] ? ata_host_alloc+0xf5/0x120 [libata] ? kfree+0x2cf/0x2f0 ata_host_alloc+0xf5/0x120 [libata] ata_host_alloc_pinfo+0x14/0xa0 [libata] ahci_init_one+0x6c9/0xd20 [ahci] Ensure that we will not call kfree(host) twice, by performing the kfree() only if the devres_open_group() call failed.

Reserved 2024-07-12 | Published 2024-07-29 | Updated 2024-12-19 | Assigner Linux

Product status

Default status
unaffected

dafd6c496381c1cd1f5ba9ad953e810bdcc931bc before 290073b2b557e4dc21ee74a1e403d9ae79e393a2
affected

dafd6c496381c1cd1f5ba9ad953e810bdcc931bc before 56f1c7e290cd6c69c948fcd2e2a49e6a637ec38f
affected

dafd6c496381c1cd1f5ba9ad953e810bdcc931bc before 010de9acbea58fbcbda08e3793d6262086a493fe
affected

dafd6c496381c1cd1f5ba9ad953e810bdcc931bc before 5dde5f8b790274723640d29a07c5a97d57d62047
affected

dafd6c496381c1cd1f5ba9ad953e810bdcc931bc before 702c1edbafb2e6f9d20f6d391273b5be09d366a5
affected

dafd6c496381c1cd1f5ba9ad953e810bdcc931bc before 062e256516d7db5e7dcdef117f52025cd5c456e3
affected

dafd6c496381c1cd1f5ba9ad953e810bdcc931bc before 8106da4d88bbaed809e023cc8014b766223d6e76
affected

dafd6c496381c1cd1f5ba9ad953e810bdcc931bc before ab9e0c529eb7cafebdd31fe1644524e80a48b05d
affected

Default status
affected

4.17
affected

Any version before 4.17
unaffected

4.19.317
unaffected

5.4.279
unaffected

5.10.221
unaffected

5.15.162
unaffected

6.1.97
unaffected

6.6.37
unaffected

6.9.8
unaffected

6.10
unaffected

References

git.kernel.org/...c/290073b2b557e4dc21ee74a1e403d9ae79e393a2

git.kernel.org/...c/56f1c7e290cd6c69c948fcd2e2a49e6a637ec38f

git.kernel.org/...c/010de9acbea58fbcbda08e3793d6262086a493fe

git.kernel.org/...c/5dde5f8b790274723640d29a07c5a97d57d62047

git.kernel.org/...c/702c1edbafb2e6f9d20f6d391273b5be09d366a5

git.kernel.org/...c/062e256516d7db5e7dcdef117f52025cd5c456e3

git.kernel.org/...c/8106da4d88bbaed809e023cc8014b766223d6e76

git.kernel.org/...c/ab9e0c529eb7cafebdd31fe1644524e80a48b05d

cve.org (CVE-2024-41087)

nvd.nist.gov (CVE-2024-41087)

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