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Date: Wed, 17 Apr 2024 12:10:21 +0200 From: Greg Kroah-Hartman <gregkh@...uxfoundation.org> To: linux-cve-announce@...r.kernel.org Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org> Subject: CVE-2024-26839: IB/hfi1: Fix a memleak in init_credit_return Description =========== In the Linux kernel, the following vulnerability has been resolved: IB/hfi1: Fix a memleak in init_credit_return When dma_alloc_coherent fails to allocate dd->cr_base[i].va, init_credit_return should deallocate dd->cr_base and dd->cr_base[i] that allocated before. Or those resources would be never freed and a memleak is triggered. The Linux kernel CVE team has assigned CVE-2024-26839 to this issue. Affected and fixed versions =========================== Issue introduced in 4.3 with commit 7724105686e7 and fixed in 4.19.308 with commit 2e4f9f20b326 Issue introduced in 4.3 with commit 7724105686e7 and fixed in 5.4.270 with commit cecfb90cf71d Issue introduced in 4.3 with commit 7724105686e7 and fixed in 5.10.211 with commit 3fa240bb6b2d Issue introduced in 4.3 with commit 7724105686e7 and fixed in 5.15.150 with commit 52de5805c147 Issue introduced in 4.3 with commit 7724105686e7 and fixed in 6.1.80 with commit f0d857ce31a6 Issue introduced in 4.3 with commit 7724105686e7 and fixed in 6.6.19 with commit b41d0ade0398 Issue introduced in 4.3 with commit 7724105686e7 and fixed in 6.7.7 with commit 8412c86e89cc Issue introduced in 4.3 with commit 7724105686e7 and fixed in 6.8 with commit 809aa64ebff5 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-2024-26839 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/infiniband/hw/hfi1/pio.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/2e4f9f20b32658ef3724aa46f7aef4908d2609e3 https://git.kernel.org/stable/c/cecfb90cf71d91e9efebd68b9e9b84661b277cc8 https://git.kernel.org/stable/c/3fa240bb6b2dbb3e7a3ee1440a4889cbb6207eb7 https://git.kernel.org/stable/c/52de5805c147137205662af89ed7e083d656ae25 https://git.kernel.org/stable/c/f0d857ce31a6bc7a82afcdbadb8f7417d482604b https://git.kernel.org/stable/c/b41d0ade0398007fb746213f09903d52a920e896 https://git.kernel.org/stable/c/8412c86e89cc78d8b513cb25cf2157a2adf3670a https://git.kernel.org/stable/c/809aa64ebff51eb170ee31a95f83b2d21efa32e2
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