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PUBLISHED

CVE-2024-26763

dm-crypt: don't modify the data when using authenticated encryption

Reserved:2024-02-19
Published:2024-04-03
Updated:2024-04-03

Description

In the Linux kernel, the following vulnerability has been resolved: dm-crypt: don't modify the data when using authenticated encryption It was said that authenticated encryption could produce invalid tag when the data that is being encrypted is modified [1]. So, fix this problem by copying the data into the clone bio first and then encrypt them inside the clone bio. This may reduce performance, but it is needed to prevent the user from corrupting the device by writing data with O_DIRECT and modifying them at the same time. [1] https://lore.kernel.org/all/20240207004723.GA35324@sol.localdomain/T/

Product status

Default status
unaffected

1da177e4c3f4 before 43a202bd5529
affected

1da177e4c3f4 before 0dccbb93538f
affected

1da177e4c3f4 before 3c652f6fa1e1
affected

1da177e4c3f4 before 1a4371db68a3
affected

1da177e4c3f4 before e08c2a8d27e9
affected

1da177e4c3f4 before 64ba01a36598
affected

1da177e4c3f4 before d9e3763a505e
affected

1da177e4c3f4 before 50c70240097c
affected

Default status
affected

4.19.308
unaffected

5.4.270
unaffected

5.10.211
unaffected

5.15.150
unaffected

6.1.80
unaffected

6.6.19
unaffected

6.7.7
unaffected

6.8
unaffected

References

https://git.kernel.org/stable/c/43a202bd552976497474ae144942e32cc5f34d7e

https://git.kernel.org/stable/c/0dccbb93538fe89a86c6de31d4b1c8c560848eaa

https://git.kernel.org/stable/c/3c652f6fa1e1f9f02c3fbf359d260ad153ec5f90

https://git.kernel.org/stable/c/1a4371db68a31076afbe56ecce34fbbe6c80c529

https://git.kernel.org/stable/c/e08c2a8d27e989f0f5b0888792643027d7e691e6

https://git.kernel.org/stable/c/64ba01a365980755732972523600a961c4266b75

https://git.kernel.org/stable/c/d9e3763a505e50ba3bd22846f2a8db99429fb857

https://git.kernel.org/stable/c/50c70240097ce41fe6bce6478b80478281e4d0f7

cve.org CVE-2024-26763

nvd.nist.gov CVE-2024-26763

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