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Message-ID: <2025061816-CVE-2022-50134-f6bd@gregkh> Date: Wed, 18 Jun 2025 13:03:19 +0200 From: Greg Kroah-Hartman <gregkh@...uxfoundation.org> To: linux-cve-announce@...r.kernel.org Cc: Greg Kroah-Hartman <gregkh@...nel.org> Subject: CVE-2022-50134: RDMA/hfi1: fix potential memory leak in setup_base_ctxt() From: Greg Kroah-Hartman <gregkh@...nel.org> Description =========== In the Linux kernel, the following vulnerability has been resolved: RDMA/hfi1: fix potential memory leak in setup_base_ctxt() setup_base_ctxt() allocates a memory chunk for uctxt->groups with hfi1_alloc_ctxt_rcv_groups(). When init_user_ctxt() fails, uctxt->groups is not released, which will lead to a memory leak. We should release the uctxt->groups with hfi1_free_ctxt_rcv_groups() when init_user_ctxt() fails. The Linux kernel CVE team has assigned CVE-2022-50134 to this issue. Affected and fixed versions =========================== Issue introduced in 4.14 with commit e87473bc1b6c2cb08f1b760cfc8cd012822241a6 and fixed in 4.14.291 with commit fc4de8009fd6c2ca51986c6757efa964040e7d02 Issue introduced in 4.14 with commit e87473bc1b6c2cb08f1b760cfc8cd012822241a6 and fixed in 4.19.256 with commit 90ef48a718f88935d4af53d7dadd1ceafe103ce6 Issue introduced in 4.14 with commit e87473bc1b6c2cb08f1b760cfc8cd012822241a6 and fixed in 5.4.211 with commit 2f90813f1c21c3d780585390af961bd17c8515ae Issue introduced in 4.14 with commit e87473bc1b6c2cb08f1b760cfc8cd012822241a6 and fixed in 5.10.137 with commit a85c7dd1edadcdeca24e603a6618153a3bcc81ca Issue introduced in 4.14 with commit e87473bc1b6c2cb08f1b760cfc8cd012822241a6 and fixed in 5.15.61 with commit e25b828553aecb3185a8d8d0c4f9b4e133fb5db6 Issue introduced in 4.14 with commit e87473bc1b6c2cb08f1b760cfc8cd012822241a6 and fixed in 5.18.18 with commit 1750be1e9f18787cf717c24dbc5fa029fc372a22 Issue introduced in 4.14 with commit e87473bc1b6c2cb08f1b760cfc8cd012822241a6 and fixed in 5.19.2 with commit a9055dfe437efae77e28e57205437c878a03ccb7 Issue introduced in 4.14 with commit e87473bc1b6c2cb08f1b760cfc8cd012822241a6 and fixed in 6.0 with commit aa2a1df3a2c85f855af7d54466ac10bd48645d63 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-2022-50134 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/file_ops.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/fc4de8009fd6c2ca51986c6757efa964040e7d02 https://git.kernel.org/stable/c/90ef48a718f88935d4af53d7dadd1ceafe103ce6 https://git.kernel.org/stable/c/2f90813f1c21c3d780585390af961bd17c8515ae https://git.kernel.org/stable/c/a85c7dd1edadcdeca24e603a6618153a3bcc81ca https://git.kernel.org/stable/c/e25b828553aecb3185a8d8d0c4f9b4e133fb5db6 https://git.kernel.org/stable/c/1750be1e9f18787cf717c24dbc5fa029fc372a22 https://git.kernel.org/stable/c/a9055dfe437efae77e28e57205437c878a03ccb7 https://git.kernel.org/stable/c/aa2a1df3a2c85f855af7d54466ac10bd48645d63
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