CVE-2021-47180 Affecting kernel-preempt package, versions <5.3.18-150300.59.158.1
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-SLES153-KERNELPREEMPT-7723068
- published20 Aug 2024
- disclosed3 May 2024
Introduced: 3 May 2024
CVE-2021-47180 (opens in a new tab)How to fix?
Upgrade SLES:15.3 kernel-preempt to version 5.3.18-150300.59.158.1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-preempt package and not the kernel-preempt package as distributed by SLES.
See How to fix? for SLES:15.3 relevant fixed versions and status.
In the Linux kernel, the following vulnerability has been resolved:
NFC: nci: fix memory leak in nci_allocate_device
nfcmrvl_disconnect fails to free the hci_dev field in struct nci_dev. Fix this by freeing hci_dev in nci_free_device.
BUG: memory leak unreferenced object 0xffff888111ea6800 (size 1024): comm "kworker/1:0", pid 19, jiffies 4294942308 (age 13.580s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 60 fd 0c 81 88 ff ff .........`...... 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<000000004bc25d43>] kmalloc include/linux/slab.h:552 [inline] [<000000004bc25d43>] kzalloc include/linux/slab.h:682 [inline] [<000000004bc25d43>] nci_hci_allocate+0x21/0xd0 net/nfc/nci/hci.c:784 [<00000000c59cff92>] nci_allocate_device net/nfc/nci/core.c:1170 [inline] [<00000000c59cff92>] nci_allocate_device+0x10b/0x160 net/nfc/nci/core.c:1132 [<00000000006e0a8e>] nfcmrvl_nci_register_dev+0x10a/0x1c0 drivers/nfc/nfcmrvl/main.c:153 [<000000004da1b57e>] nfcmrvl_probe+0x223/0x290 drivers/nfc/nfcmrvl/usb.c:345 [<00000000d506aed9>] usb_probe_interface+0x177/0x370 drivers/usb/core/driver.c:396 [<00000000bc632c92>] really_probe+0x159/0x4a0 drivers/base/dd.c:554 [<00000000f5009125>] driver_probe_device+0x84/0x100 drivers/base/dd.c:740 [<000000000ce658ca>] __device_attach_driver+0xee/0x110 drivers/base/dd.c:846 [<000000007067d05f>] bus_for_each_drv+0xb7/0x100 drivers/base/bus.c:431 [<00000000f8e13372>] __device_attach+0x122/0x250 drivers/base/dd.c:914 [<000000009cf68860>] bus_probe_device+0xc6/0xe0 drivers/base/bus.c:491 [<00000000359c965a>] device_add+0x5be/0xc30 drivers/base/core.c:3109 [<00000000086e4bd3>] usb_set_configuration+0x9d9/0xb90 drivers/usb/core/message.c:2164 [<00000000ca036872>] usb_generic_driver_probe+0x8c/0xc0 drivers/usb/core/generic.c:238 [<00000000d40d36f6>] usb_probe_device+0x5c/0x140 drivers/usb/core/driver.c:293 [<00000000bc632c92>] really_probe+0x159/0x4a0 drivers/base/dd.c:554
References
- https://www.suse.com/security/cve/CVE-2021-47180.html
- https://bugzilla.suse.com/1221999
- https://git.kernel.org/stable/c/0365701bc44e078682ee1224866a71897495c7ef
- https://git.kernel.org/stable/c/2c2fb2df46ea866b49fea5ec7112ec3cd4896c74
- https://git.kernel.org/stable/c/448a1cb12977f52142e6feb12022c59662d88dc1
- https://git.kernel.org/stable/c/4a621621c7af3cec21c47c349b30cd9c3cea11c8
- https://git.kernel.org/stable/c/65234f50a90b64b335cbb9164b8a98c2a0d031dd
- https://git.kernel.org/stable/c/af2a4426baf71163c0c354580ae98c7888a9aba7
- https://git.kernel.org/stable/c/b34cb7ac32cc8e5471dc773180ea9ae676b1a745
- https://git.kernel.org/stable/c/e0652f8bb44d6294eeeac06d703185357f25d50b