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Message-ID: <2024102113-CVE-2024-47698-d5fe@gregkh> Date: Mon, 21 Oct 2024 14:00:26 +0200 From: Greg Kroah-Hartman <gregkh@...uxfoundation.org> To: linux-cve-announce@...r.kernel.org Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org> Subject: CVE-2024-47698: drivers: media: dvb-frontends/rtl2832: fix an out-of-bounds write error Description =========== In the Linux kernel, the following vulnerability has been resolved: drivers: media: dvb-frontends/rtl2832: fix an out-of-bounds write error Ensure index in rtl2832_pid_filter does not exceed 31 to prevent out-of-bounds access. dev->filters is a 32-bit value, so set_bit and clear_bit functions should only operate on indices from 0 to 31. If index is 32, it will attempt to access a non-existent 33rd bit, leading to out-of-bounds access. Change the boundary check from index > 32 to index >= 32 to resolve this issue. [hverkuil: added fixes tag, rtl2830_pid_filter -> rtl2832_pid_filter in logmsg] The Linux kernel CVE team has assigned CVE-2024-47698 to this issue. Affected and fixed versions =========================== Issue introduced in 4.0 with commit 4b01e01a81b6 and fixed in 5.10.227 with commit 6ae3b9aee426 Issue introduced in 4.0 with commit 4b01e01a81b6 and fixed in 5.15.168 with commit a879b6cdd481 Issue introduced in 4.0 with commit 4b01e01a81b6 and fixed in 6.1.113 with commit 15bea004e939 Issue introduced in 4.0 with commit 4b01e01a81b6 and fixed in 6.6.54 with commit 527ab3eb3b0b Issue introduced in 4.0 with commit 4b01e01a81b6 and fixed in 6.10.13 with commit 66dbe0df6ecc Issue introduced in 4.0 with commit 4b01e01a81b6 and fixed in 6.11.2 with commit bedd42e07988 Issue introduced in 4.0 with commit 4b01e01a81b6 and fixed in 6.12-rc1 with commit 8ae06f360cfa Please see https://www.kernel.org for a full list of currently supported kernel versions by the kernel community. Unaffected versions might change over time as fixes are backported to older supported kernel versions. The official CVE entry at https://cve.org/CVERecord/?id=CVE-2024-47698 will be updated if fixes are backported, please check that for the most up to date information about this issue. Affected files ============== The file(s) affected by this issue are: drivers/media/dvb-frontends/rtl2832.c Mitigation ========== The Linux kernel CVE team recommends that you update to the latest stable kernel version for this, and many other bugfixes. Individual changes are never tested alone, but rather are part of a larger kernel release. Cherry-picking individual commits is not recommended or supported by the Linux kernel community at all. If however, updating to the latest release is impossible, the individual changes to resolve this issue can be found at these commits: https://git.kernel.org/stable/c/6ae3b9aee42616ee93c4585174f40c767828006d https://git.kernel.org/stable/c/a879b6cdd48134a3d58949ea4f075c75fa2d7d71 https://git.kernel.org/stable/c/15bea004e939d938a6771dfcf2a26cc899ffd20a https://git.kernel.org/stable/c/527ab3eb3b0b4a6ee00e183c1de6a730239e2835 https://git.kernel.org/stable/c/66dbe0df6eccc7ee53a2c35016ce81e13b3ff447 https://git.kernel.org/stable/c/bedd42e07988dbdd124b23e758ffef7a681b9c60 https://git.kernel.org/stable/c/8ae06f360cfaca2b88b98ca89144548b3186aab1
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