CVE-2021-47520
- EPSS 0.34%
- Veröffentlicht 24.05.2024 15:15:14
- Zuletzt bearbeitet 04.08.2026 10:17:07
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 dere...
CVE-2021-47521
- EPSS 0.24%
- Veröffentlicht 24.05.2024 15:15:14
- Zuletzt bearbeitet 21.11.2024 06:36:26
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 shou...
CVE-2021-47522
- EPSS 0.24%
- Veröffentlicht 24.05.2024 15:15:14
- Zuletzt bearbeitet 21.11.2024 06:36:26
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.
CVE-2021-47523
- EPSS 0.24%
- Veröffentlicht 24.05.2024 15:15:14
- Zuletzt bearbeitet 24.09.2025 19:38:33
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 (re...
CVE-2021-47516
- EPSS 0.24%
- Veröffentlicht 24.05.2024 15:15:13
- Zuletzt bearbeitet 21.11.2024 06:36:25
In the Linux kernel, the following vulnerability has been resolved: nfp: Fix memory leak in nfp_cpp_area_cache_add() In line 800 (#1), nfp_cpp_area_alloc() allocates and initializes a CPP area structure. But in line 807 (#2), when the cache is allo...
CVE-2021-47517
- EPSS 0.24%
- Veröffentlicht 24.05.2024 15:15:13
- Zuletzt bearbeitet 04.08.2026 10:17:07
In the Linux kernel, the following vulnerability has been resolved: ethtool: do not perform operations on net devices being unregistered There is a short period between a net device starts to be unregistered and when it is actually gone. In that ti...
CVE-2021-47518
- EPSS 0.24%
- Veröffentlicht 24.05.2024 15:15:13
- Zuletzt bearbeitet 21.11.2024 06:36:25
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 allo...
CVE-2021-47511
- EPSS 0.24%
- Veröffentlicht 24.05.2024 15:15:12
- Zuletzt bearbeitet 29.09.2025 17:09:23
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 val...
CVE-2021-47512
- EPSS 0.25%
- Veröffentlicht 24.05.2024 15:15:12
- Zuletzt bearbeitet 04.08.2026 10:17:06
In the Linux kernel, the following vulnerability has been resolved: net/sched: fq_pie: prevent dismantle issue For some reason, fq_pie_destroy() did not copy working code from pie_destroy() and other qdiscs, thus causing elusive bug. Before callin...
CVE-2021-47514
- EPSS 0.24%
- Veröffentlicht 24.05.2024 15:15:12
- Zuletzt bearbeitet 06.01.2025 20:47:59
In the Linux kernel, the following vulnerability has been resolved: devlink: fix netns refcount leak in devlink_nl_cmd_reload() While preparing my patch series adding netns refcount tracking, I spotted bugs in devlink_nl_cmd_reload() Some error pa...