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PUBLISHED

CVE-2024-35984

i2c: smbus: fix NULL function pointer dereference

Assigner:Linux (416baaa9-dc9f-4396-8d5f-8c081fb06d67)
Reserved:2024-05-17
Published:2024-05-20
Updated:2024-06-08

Description

In the Linux kernel, the following vulnerability has been resolved: i2c: smbus: fix NULL function pointer dereference Baruch reported an OOPS when using the designware controller as target only. Target-only modes break the assumption of one transfer function always being available. Fix this by always checking the pointer in __i2c_transfer. [wsa: dropped the simplification in core-smbus to avoid theoretical regressions]

Product status

Default status
unaffected

63453b59e411 before 40f1d79f07b4
affected

63453b59e411 before ad3c3ac7a03b
affected

63453b59e411 before 5fd72404587d
affected

63453b59e411 before 5a09eae9a7db
affected

63453b59e411 before 4e75e222d397
affected

63453b59e411 before e3425674ff68
affected

63453b59e411 before 357c64ef1ef3
affected

63453b59e411 before 91811a31b68d
affected

Default status
affected

4.19
affected

Any version before 4.19
unaffected

4.19.313
unaffected

5.4.275
unaffected

5.10.216
unaffected

5.15.158
unaffected

6.1.90
unaffected

6.6.30
unaffected

6.8.9
unaffected

6.9
unaffected

References

https://git.kernel.org/stable/c/40f1d79f07b49c8a64a861706e5163f2db4bd95d

https://git.kernel.org/stable/c/ad3c3ac7a03be3697114f781193dd3e9d97e6e23

https://git.kernel.org/stable/c/5fd72404587d7db4acb2d241fd8c387afb0a7aec

https://git.kernel.org/stable/c/5a09eae9a7db597fe0c1fc91636205b4a25d2620

https://git.kernel.org/stable/c/4e75e222d397c6752b229ed72fc4644c8c36ecde

https://git.kernel.org/stable/c/e3425674ff68dc521c57c6eabad0cbd20a027d85

https://git.kernel.org/stable/c/357c64ef1ef39b1e7cd91ab6bdd304d043702c83

https://git.kernel.org/stable/c/91811a31b68d3765b3065f4bb6d7d6d84a7cfc9f

cve.org CVE-2024-35984

nvd.nist.gov CVE-2024-35984

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