UBUNTU-CVE-2024-35815
In the Linux kernel, the following vulnerability has been resolved: fs/aio: Check IOCB_AIO_RW before the struct aio_kiocb conversion The first kiocb_set_cancel_fn() argument may point at a struct kiocb that is not embedded inside struct aio_kiocb. With the current code, depending on the compiler, the req->ki_ctx read happens either before the IOCB_AIO_RW test or after that test. Move the req->ki_ctx read such that it is guaranteed that the IOCB_AIO_RW test happens first.
02 / AFFECTED SOFTWARE
Affected packages
93 explicit affected versions
29 explicit affected versions
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37 explicit affected versions
40 explicit affected versions
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10 explicit affected versions
1 explicit affected versions
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26 explicit affected versions
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40 explicit affected versions
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37 explicit affected versions
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40 explicit affected versions
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13 explicit affected versions
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21 explicit affected versions
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3 explicit affected versions
16 explicit affected versions
78 explicit affected versions
45 explicit affected versions
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51 explicit affected versions
49 explicit affected versions
43 explicit affected versions
11 explicit affected versions
23 explicit affected versions
35 explicit affected versions
12 explicit affected versions
80 explicit affected versions
6 explicit affected versions
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50 explicit affected versions
12 explicit affected versions
48 explicit affected versions
27 explicit affected versions
35 explicit affected versions
12 explicit affected versions
7 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
In the Linux kernel, the following vulnerability has been resolved: fs/aio: Check IOCB_AIO_RW before the struct aio_kiocb conversion The first kiocb_set_cancel_fn() argument may point at a struct kiocb that is not embedded inside struct aio_kiocb. With the current code, depending on the compiler, the req->ki_ctx read happens either before the IOCB_AIO_RW test or after that test. Move the req->ki_ctx read such that it is guaranteed that the IOCB_AIO_RW test happens first.
05 / REFERENCES
Further evidence
- https://git.kernel.org/linus/961ebd120565cb60cebe21cb634fbc456022db4a
- https://git.kernel.org/stable/c/10ca82aff58434e122c7c757cf0497c335f993f3
- https://git.kernel.org/stable/c/18d5fc3c16cc317bd0e5f5dabe0660df415cadb7
- https://git.kernel.org/stable/c/396dbbc18963648e9d1a4edbb55cfe08fa374d50
- https://git.kernel.org/stable/c/5c43d0041e3a05c6c41c318b759fff16d2384596
- https://git.kernel.org/stable/c/94eb0293703ced580f05dfbe5a57da5931e9aee2
- https://git.kernel.org/stable/c/961ebd120565cb60cebe21cb634fbc456022db4a
- https://git.kernel.org/stable/c/a71cba07783abc76b547568b6452cd1dd9981410
- https://git.kernel.org/stable/c/c01ed748847fe8b810d86efc229b9e6c7fafa01e
- https://ubuntu.com/security/CVE-2024-35815
- https://ubuntu.com/security/notices/USN-6896-1
- https://ubuntu.com/security/notices/USN-6896-2
- https://ubuntu.com/security/notices/USN-6896-3
- https://ubuntu.com/security/notices/USN-6896-4
- https://ubuntu.com/security/notices/USN-6896-5
- https://ubuntu.com/security/notices/USN-6898-1
- https://ubuntu.com/security/notices/USN-6898-2
- https://ubuntu.com/security/notices/USN-6898-3
- https://ubuntu.com/security/notices/USN-6898-4
- https://ubuntu.com/security/notices/USN-6917-1
- https://ubuntu.com/security/notices/USN-6927-1
- https://ubuntu.com/security/notices/USN-7019-1
- https://www.cve.org/CVERecord?id=CVE-2024-35815