CVE-2021-47614
In the Linux kernel, the following vulnerability has been resolved: RDMA/irdma: Fix a user-after-free in add_pble_prm When irdma_hmc_sd_one fails, 'chunk' is freed while its still on the PBLE info list.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.22%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
In the Linux kernel, the following vulnerability has been resolved: RDMA/irdma: Fix a user-after-free in add_pble_prm When irdma_hmc_sd_one fails, 'chunk' is freed while its still on the PBLE info list. Add the chunk entry to the PBLE info list only after successful setting of the SD in irdma_hmc_sd_one.
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.22% probability · 12th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-416
- Affected
- linux/linux kernel
- Source
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
References
- https://git.kernel.org/stable/c/11eebcf63e98fcf047a876a51d76afdabc3b8b9bPatch
- https://git.kernel.org/stable/c/1e11a39a82e95ce86f849f40dda0d9c0498cebd9Patch
- https://git.kernel.org/stable/c/11eebcf63e98fcf047a876a51d76afdabc3b8b9bPatch
- https://git.kernel.org/stable/c/1e11a39a82e95ce86f849f40dda0d9c0498cebd9Patch
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.