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CVE-2024-35813

mmc: core: Avoid negative index with array access

EPSS 0.2%
In the Linux kernel, the following vulnerability has been resolved: mmc: core: Avoid negative index with array access Commit 4d0c8d0aef63 ("mmc: core: Use mrq.sbc in close-ended ffu") assigns prev_idata = idatas[i - 1], but doesn't check that the iterator i is greater than zero. Let's fix this by adding a check.
Affected products
Linux · Linux

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References
https://cert-portal.siemens.com/productcert/html/ssa-265688.htmlhttps://git.kernel.org/stable/c/064db53f9023a2d5877a2d12de6bc27995f6ca56https://git.kernel.org/stable/c/2b539c88940e22494da80a93ee1c5a28bbad10f6https://git.kernel.org/stable/c/4466677dcabe2d70de6aa3d4bd4a4fafa94a71f2https://git.kernel.org/stable/c/7d0e8a6147550aa058fa6ade8583ad252aa61304https://git.kernel.org/stable/c/81b8645feca08a54c7c4bf36e7b176f4983b2f28https://git.kernel.org/stable/c/ad9cc5e9e53ab94aa0c7ac65d43be7eb208dcb55https://git.kernel.org/stable/c/b9a7339ae403035ffe7fc37cb034b36947910f68https://git.kernel.org/stable/c/cf55a7acd1ed38afe43bba1c8a0935b51d1dc014https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html