Description (CNA)
In the Linux kernel, the following vulnerability has been resolved: net: qrtr: fix OOB Read in qrtr_endpoint_post Syzbot reported slab-out-of-bounds Read in qrtr_endpoint_post. The problem was in wrong _size_ type: if (len != ALIGN(size, 4) + hdrlen) goto err; If size from qrtr_hdr is 4294967293 (0xfffffffd), the result of ALIGN(size, 4) will be 0. In case of len == hdrlen and size == 4294967293 in header this check won't fail and skb_put_data(skb, data + hdrlen, size); will read out of bound from data, which is hdrlen allocated block.
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| Linux / Linux | affected 194ccc88297ae78d0803adad83c6dcc369787c9e before f8111c0d7ed42ede41a3d0d393b104de0730a8a6; affected 194ccc88297ae78d0803adad83c6dcc369787c9e before 26b8d10703a9be45d6097946b2b4011f7dd2c56f; affected 194ccc88297ae78d0803adad83c6dcc369787c9e before 960b08dd36de1e341e3eb43d1c547513e338f4f8; affected 194ccc88297ae78d0803adad83c6dcc369787c9e before 19892ab9c9d838e2e5a7744d36e4bb8b7c3292fe; affected 194ccc88297ae78d0803adad83c6dcc369787c9e before ad9d24c9429e2159d1e279dc3a83191ccb4daf1d |
| Linux / Linux | affected 4.15; unaffected 0 before 4.15; unaffected 4.19.196 through 4.19.*; unaffected 5.4.128 through 5.4.*; unaffected 5.10.46 through 5.10.*; unaffected 5.12.13 through 5.12.*; unaffected 5.13 through * |
CWE
No CWE identifiers supplied.
References
- https://git.kernel.org/stable/c/f8111c0d7ed42ede41a3d0d393b104de0730a8a6
- https://git.kernel.org/stable/c/26b8d10703a9be45d6097946b2b4011f7dd2c56f
- https://git.kernel.org/stable/c/960b08dd36de1e341e3eb43d1c547513e338f4f8
- https://git.kernel.org/stable/c/19892ab9c9d838e2e5a7744d36e4bb8b7c3292fe
- https://git.kernel.org/stable/c/ad9d24c9429e2159d1e279dc3a83191ccb4daf1d
ADP enrichment
No English description supplied.
No references supplied.
No English description supplied.
- https://git.kernel.org/stable/c/f8111c0d7ed42ede41a3d0d393b104de0730a8a6
- https://git.kernel.org/stable/c/26b8d10703a9be45d6097946b2b4011f7dd2c56f
- https://git.kernel.org/stable/c/960b08dd36de1e341e3eb43d1c547513e338f4f8
- https://git.kernel.org/stable/c/19892ab9c9d838e2e5a7744d36e4bb8b7c3292fe
- https://git.kernel.org/stable/c/ad9d24c9429e2159d1e279dc3a83191ccb4daf1d