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CVSS: -EPSS: 0%CPEs: 3EXPL: 0

In the Linux kernel, the following vulnerability has been resolved: IB/hfi1: Fix leak of rcvhdrtail_dummy_kvaddr This buffer is currently allocated in hfi1_init(): if (reinit) ret = init_after_reset(dd); else ret = loadtime_init(dd); if (ret) goto done; /* allocate dummy tail memory for all receive contexts */ dd->rcvhdrtail_dummy_kvaddr = dma_alloc_coherent(&dd->pcidev->dev, sizeof(u64), &dd->rcvhdrtail_dummy_dma, GFP_KERNEL); if (!dd->rcvhdrtail_dummy_kvaddr) { dd_dev_err(dd, "cannot allocate dummy tail memory\n"); ret = -ENOMEM; goto done; } The reinit triggered path will overwrite the old allocation and leak it. Fix by moving the allocation to hfi1_alloc_devdata() and the deallocation to hfi1_free_devdata(). En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: IB/hfi1: Corrección de fuga de rcvhdrtail_dummy_kvaddr. Este búfer está actualmente asignado en hfi1_init(): if (reinit) ret = init_after_reset(dd); de lo contrario ret = loadtime_init(dd); si (ret) ir a hecho; /* asigna memoria de cola ficticia para todos los contextos de recepción */ dd->rcvhdrtail_dummy_kvaddr = dma_alloc_coherent(&dd->pcidev->dev, sizeof(u64), &dd->rcvhdrtail_dummy_dma, GFP_KERNEL); if (!dd->rcvhdrtail_dummy_kvaddr) { dd_dev_err(dd, "no se puede asignar memoria de cola ficticia\n"); ret = -ENOMEM; ir a hacer; } La ruta activada por reinicio sobrescribirá la asignación anterior y la filtrará. • https://git.kernel.org/stable/c/46b010d3eeb8eb29c740c4ef09c666485f5c07e6 https://git.kernel.org/stable/c/2c08271f4ed0e24633b3f81ceff61052b9d45efc https://git.kernel.org/stable/c/834d0fb978643eaf09da425de197cc16a7c2761b https://git.kernel.org/stable/c/60a8b5a1611b4a26de4839ab9c1fc2a9cf3e17c1 •

CVSS: 5.5EPSS: 0%CPEs: 4EXPL: 0

In the Linux kernel, the following vulnerability has been resolved: HID: bigbenff: prevent null pointer dereference When emulating the device through uhid, there is a chance we don't have output reports and so report_field is null. En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: HID: bigbenff: evita la desreferencia del puntero nulo Al emular el dispositivo a través de uhid, existe la posibilidad de que no tengamos informes de salida y, por lo tanto, report_field sea nulo. • https://git.kernel.org/stable/c/8e0ceff632f48175ec7fb4706129c55ca8a7c7bd https://git.kernel.org/stable/c/6272b17001e6fdcf7b4a16206287010a1523fa6e https://git.kernel.org/stable/c/58f15f5ae7786c824868f3a7e093859b74669ce7 https://git.kernel.org/stable/c/918aa1ef104d286d16b9e7ef139a463ac7a296f0 • CWE-476: NULL Pointer Dereference •

CVSS: 7.8EPSS: 0%CPEs: 8EXPL: 0

In the Linux kernel, the following vulnerability has been resolved: can: sja1000: fix use after free in ems_pcmcia_add_card() If the last channel is not available then "dev" is freed. Fortunately, we can just use "pdev->irq" instead. Also we should check if at least one channel was set up. En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: can: sja1000: arreglar el use after free en ems_pcmcia_add_card() Si el último canal no está disponible entonces se libera "dev". Afortunadamente, podemos usar "pdev->irq" en su lugar. También debemos comprobar si se configuró al menos un canal. • https://git.kernel.org/stable/c/fd734c6f25aea4b2b44b045e489aec67b388577e https://git.kernel.org/stable/c/cbd86110546f7f730a1f5d7de56c944a336c15c4 https://git.kernel.org/stable/c/1dd5b819f7e406dc15bbc7670596ff25261aaa2a https://git.kernel.org/stable/c/c8718026ba287168ff9ad0ccc4f9a413062cba36 https://git.kernel.org/stable/c/ccf070183e4655824936c0f96c4a2bcca93419aa https://git.kernel.org/stable/c/1a295fea90e1acbe80c6d4940f5ff856edcd6bec https://git.kernel.org/stable/c/923f4dc5df679f678e121c20bf2fd70f7bf3e288 https://git.kernel.org/stable/c/474f9a8534f5f89841240a7e978bafd6e • CWE-416: Use After Free •

CVSS: 7.8EPSS: 0%CPEs: 8EXPL: 0

In the Linux kernel, the following vulnerability has been resolved: can: pch_can: pch_can_rx_normal: fix use after free After calling netif_receive_skb(skb), dereferencing skb is unsafe. Especially, the can_frame cf which aliases skb memory is dereferenced just after the call netif_receive_skb(skb). Reordering the lines solves the issue. En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: can: pch_can: pch_can_rx_normal: corregir el use after free después de llamar a netif_receive_skb(skb), desreferenciar skb no es seguro. Especialmente, el can_frame cf que alias la memoria skb se desreferencia justo después de la llamada netif_receive_skb(skb). Reordenar las líneas resuelve el problema. • https://git.kernel.org/stable/c/b21d18b51b31a24d17f883b678432fbdee3d5675 https://git.kernel.org/stable/c/bafe343a885c70dddf358379cf0b2a1c07355d8d https://git.kernel.org/stable/c/3a3c46e2eff0577454860a203be1a8295f4acb76 https://git.kernel.org/stable/c/affbad02bf80380a7403885b9fe4a1587d1bb4f3 https://git.kernel.org/stable/c/3e193ef4e0a3f5bf92ede83ef214cb09d01b00aa https://git.kernel.org/stable/c/abb4eff3dcd2e583060082a18a8dbf31f02689d4 https://git.kernel.org/stable/c/703dde112021c93d6e89443c070e7dbd4dea612e https://git.kernel.org/stable/c/6c73fc931658d8cbc8a1714b326cb31eb • CWE-416: Use After Free •

CVSS: 5.5EPSS: 0%CPEs: 8EXPL: 0

In the Linux kernel, the following vulnerability has been resolved: nfc: fix potential NULL pointer deref in nfc_genl_dump_ses_done The done() netlink callback nfc_genl_dump_ses_done() should check if received argument is non-NULL, because its allocation could fail earlier in dumpit() (nfc_genl_dump_ses()). En el kernel de Linux, se resolvió la siguiente vulnerabilidad: nfc: corrige la posible deref del puntero NULL en nfc_genl_dump_ses_done La devolución de llamada de netlink done() nfc_genl_dump_ses_done() debe verificar si el argumento recibido no es NULL, porque su asignación podría fallar antes en dumpit() (nfc_genl_dump_ses()). • https://git.kernel.org/stable/c/ac22ac466a659f1b2e02a2e2ee23fc5c42da2c95 https://git.kernel.org/stable/c/87cdb8789c38e44ae5454aafe277997c950d00ed https://git.kernel.org/stable/c/69bb79a8f5bb9f436b6f1434ca9742591b7bbe18 https://git.kernel.org/stable/c/811a7576747760bcaf60502f096d1e6e91d566fa https://git.kernel.org/stable/c/3b861a40325eac9c4c13b6c53874ad90617e944d https://git.kernel.org/stable/c/48fcd08fdbe05e35b650a252ec2a2d96057a1c7a https://git.kernel.org/stable/c/83ea620a1be840bf05089a5061fb8323ca42f38c https://git.kernel.org/stable/c/fae9705d281091254d4a81fa2da9d2234 • CWE-476: NULL Pointer Dereference •