CVSS: 4.4EPSS: 0%CPEs: 8EXPL: 0CVE-2021-47547 – net: tulip: de4x5: fix the problem that the array 'lp->phy[8]' may be out of bound
https://notcve.org/view.php?id=CVE-2021-47547
24 May 2024 — In the Linux kernel, the following vulnerability has been resolved: net: tulip: de4x5: fix the problem that the array 'lp->phy[8]' may be out of bound In line 5001, if all id in the array 'lp->phy[8]' is not 0, when the 'for' end, the 'k' is 8. At this time, the array 'lp->phy[8]' may be out of bound. En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: net: tulip: de4x5: soluciona el problema de que la matriz 'lp->phy[8]' puede estar fuera de límites En la línea 5001, si todos los ID de la... • https://git.kernel.org/stable/c/ec5bd0aef1cec96830d0c7e06d3597d9e786cc98 •
CVSS: 6.3EPSS: 0%CPEs: 3EXPL: 0CVE-2021-47544 – tcp: fix page frag corruption on page fault
https://notcve.org/view.php?id=CVE-2021-47544
24 May 2024 — In the Linux kernel, the following vulnerability has been resolved: tcp: fix page frag corruption on page fault Steffen reported a TCP stream corruption for HTTP requests served by the apache web-server using a cifs mount-point and memory mapping the relevant file. The root cause is quite similar to the one addressed by commit 20eb4f29b602 ("net: fix sk_page_frag() recursion from memory reclaim"). Here the nested access to the task page frag is caused by a page fault on the (mmapped) user-space memory buffe... • https://git.kernel.org/stable/c/5640f7685831e088fe6c2e1f863a6805962f8e81 • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer •
CVSS: 5.5EPSS: 0%CPEs: 8EXPL: 0CVE-2021-47542 – net: qlogic: qlcnic: Fix a NULL pointer dereference in qlcnic_83xx_add_rings()
https://notcve.org/view.php?id=CVE-2021-47542
24 May 2024 — In the Linux kernel, the following vulnerability has been resolved: net: qlogic: qlcnic: Fix a NULL pointer dereference in qlcnic_83xx_add_rings() In qlcnic_83xx_add_rings(), the indirect function of ahw->hw_ops->alloc_mbx_args will be called to allocate memory for cmd.req.arg, and there is a dereference of it in qlcnic_83xx_add_rings(), which could lead to a NULL pointer dereference on failure of the indirect function like qlcnic_83xx_alloc_mbx_args(). Fix this bug by adding a check of alloc_mbx_args(), th... • https://git.kernel.org/stable/c/7f9664525f9cb507de9198a395a111371413f230 • CWE-476: NULL Pointer Dereference •
CVSS: 7.8EPSS: 0%CPEs: 6EXPL: 0CVE-2021-47541 – net/mlx4_en: Fix an use-after-free bug in mlx4_en_try_alloc_resources()
https://notcve.org/view.php?id=CVE-2021-47541
24 May 2024 — In the Linux kernel, the following vulnerability has been resolved: net/mlx4_en: Fix an use-after-free bug in mlx4_en_try_alloc_resources() In mlx4_en_try_alloc_resources(), mlx4_en_copy_priv() is called and tmp->tx_cq will be freed on the error path of mlx4_en_copy_priv(). After that mlx4_en_alloc_resources() is called and there is a dereference of &tmp->tx_cq[t][i] in mlx4_en_alloc_resources(), which could lead to a use after free problem on failure of mlx4_en_copy_priv(). Fix this bug by adding a check o... • https://git.kernel.org/stable/c/ec25bc04ed8e12947738468cbe2191f1529f9e39 • CWE-416: Use After Free •
CVSS: 3.3EPSS: 0%CPEs: 3EXPL: 0CVE-2021-47523 – IB/hfi1: Fix leak of rcvhdrtail_dummy_kvaddr
https://notcve.org/view.php?id=CVE-2021-47523
24 May 2024 — 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 m... • https://git.kernel.org/stable/c/46b010d3eeb8eb29c740c4ef09c666485f5c07e6 •
CVSS: 5.5EPSS: 0%CPEs: 4EXPL: 0CVE-2021-47522 – HID: bigbenff: prevent null pointer dereference
https://notcve.org/view.php?id=CVE-2021-47522
24 May 2024 — 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. In the Linux ke... • https://git.kernel.org/stable/c/8e0ceff632f48175ec7fb4706129c55ca8a7c7bd • CWE-476: NULL Pointer Dereference •
CVSS: 7.8EPSS: 0%CPEs: 8EXPL: 0CVE-2021-47521 – can: sja1000: fix use after free in ems_pcmcia_add_card()
https://notcve.org/view.php?id=CVE-2021-47521
24 May 2024 — 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... • https://git.kernel.org/stable/c/fd734c6f25aea4b2b44b045e489aec67b388577e • CWE-416: Use After Free •
CVSS: 7.8EPSS: 0%CPEs: 8EXPL: 0CVE-2021-47520 – can: pch_can: pch_can_rx_normal: fix use after free
https://notcve.org/view.php?id=CVE-2021-47520
24 May 2024 — 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), d... • https://git.kernel.org/stable/c/b21d18b51b31a24d17f883b678432fbdee3d5675 • CWE-416: Use After Free •
CVSS: 5.5EPSS: 0%CPEs: 8EXPL: 0CVE-2021-47518 – nfc: fix potential NULL pointer deref in nfc_genl_dump_ses_done
https://notcve.org/view.php?id=CVE-2021-47518
24 May 2024 — 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(... • https://git.kernel.org/stable/c/ac22ac466a659f1b2e02a2e2ee23fc5c42da2c95 • CWE-476: NULL Pointer Dereference •
CVSS: 7.8EPSS: 0%CPEs: 8EXPL: 0CVE-2021-47511 – ALSA: pcm: oss: Fix negative period/buffer sizes
https://notcve.org/view.php?id=CVE-2021-47511
24 May 2024 — In the Linux kernel, the following vulnerability has been resolved: ALSA: pcm: oss: Fix negative period/buffer sizes The period size calculation in OSS layer may receive a negative value as an error, but the code there assumes only the positive values and handle them with size_t. Due to that, a too big value may be passed to the lower layers. This patch changes the code to handle with ssize_t and adds the proper error checks appropriately. En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: A... • https://git.kernel.org/stable/c/be8869d388593e57223ad39297c8e54be632f2f2 •