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Message-ID: <2025123034-CVE-2023-54307-1ddf@gregkh> Date: Tue, 30 Dec 2025 13:24:00 +0100 From: Greg Kroah-Hartman <gregkh@...uxfoundation.org> To: linux-cve-announce@...r.kernel.org Cc: Greg Kroah-Hartman <gregkh@...nel.org> Subject: CVE-2023-54307: ptp_qoriq: fix memory leak in probe() From: Greg Kroah-Hartman <gregkh@...nel.org> Description =========== In the Linux kernel, the following vulnerability has been resolved: ptp_qoriq: fix memory leak in probe() Smatch complains that: drivers/ptp/ptp_qoriq.c ptp_qoriq_probe() warn: 'base' from ioremap() not released. Fix this by revising the parameter from 'ptp_qoriq->base' to 'base'. This is only a bug if ptp_qoriq_init() returns on the first -ENODEV error path. For other error paths ptp_qoriq->base and base are the same. And this change makes the code more readable. The Linux kernel CVE team has assigned CVE-2023-54307 to this issue. Affected and fixed versions =========================== Issue introduced in 5.2 with commit 7f4399ba405b6201fb318b43091703a34b1489ab and fixed in 5.4.240 with commit 46c4993a1514eea3bbc7147d0c81c23cc06c6bed Issue introduced in 5.2 with commit 7f4399ba405b6201fb318b43091703a34b1489ab and fixed in 5.10.177 with commit 3907fcb5a439933cf8c10d6dc300bc11eba30de3 Issue introduced in 5.2 with commit 7f4399ba405b6201fb318b43091703a34b1489ab and fixed in 5.15.106 with commit c0de1a26e6595b0e7969c5b35990a77a2d93104f Issue introduced in 5.2 with commit 7f4399ba405b6201fb318b43091703a34b1489ab and fixed in 6.1.23 with commit 43b4331ce0cd88ccba425e0702ba35c1a52daccf Issue introduced in 5.2 with commit 7f4399ba405b6201fb318b43091703a34b1489ab and fixed in 6.2.10 with commit c960785c8168d0e572101ed921b9be3934ed0bc9 Issue introduced in 5.2 with commit 7f4399ba405b6201fb318b43091703a34b1489ab and fixed in 6.3 with commit f33642224e38d7e0d59336e10e7b4e370b1c4506 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-2023-54307 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/ptp/ptp_qoriq.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/46c4993a1514eea3bbc7147d0c81c23cc06c6bed https://git.kernel.org/stable/c/3907fcb5a439933cf8c10d6dc300bc11eba30de3 https://git.kernel.org/stable/c/c0de1a26e6595b0e7969c5b35990a77a2d93104f https://git.kernel.org/stable/c/43b4331ce0cd88ccba425e0702ba35c1a52daccf https://git.kernel.org/stable/c/c960785c8168d0e572101ed921b9be3934ed0bc9 https://git.kernel.org/stable/c/f33642224e38d7e0d59336e10e7b4e370b1c4506
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