CVE-2021-47614
RDMA/irdma: Fix a user-after-free in add_pble_prm
Severity Score
Exploit Likelihood
Affected Versions
Public Exploits
0Exploited in Wild
-Decision
Descriptions
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.
En el kernel de Linux, se resolvió la siguiente vulnerabilidad: RDMA/irdma: corrige un user-after-free en add_pble_prm Cuando falla irdma_hmc_sd_one, el 'fragmento' se libera mientras todavía está en la lista de información de PBLE. Agregue la entrada del fragmento a la lista de información de PBLE solo después de configurar correctamente la SD en irdma_hmc_sd_one.
A vulnerability was found in the Linux kernel's RDMA/irdma driver. Improper memory management in the add_pble_prm function fails to manage memory correctly, resulting in a user-after-free condition that can lead to exploitation. This flaw allows an attacker to manipulate memory access potentially, resulting in data corruption or system crashes.
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.
The SUSE Linux Enterprise 15 SP5 Azure kernel was updated to receive various security bug fixes.
CVSS Scores
SSVC
- Decision:Track
Timeline
- 2024-06-19 CVE Reserved
- 2024-06-19 CVE Published
- 2025-05-04 CVE Updated
- 2025-07-29 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-416: Use After Free
CAPEC
References (5)
| URL | Tag | Source |
|---|---|---|
| https://git.kernel.org/stable/c/e8c4dbc2fcacf5a7468d312168bb120c27c38b32 | Vuln. Introduced |
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://git.kernel.org/stable/c/11eebcf63e98fcf047a876a51d76afdabc3b8b9b | 2021-12-17 | |
| https://git.kernel.org/stable/c/1e11a39a82e95ce86f849f40dda0d9c0498cebd9 | 2021-12-07 |
| URL | Date | SRC |
|---|---|---|
| https://access.redhat.com/security/cve/CVE-2021-47614 | 2022-05-10 | |
| https://bugzilla.redhat.com/show_bug.cgi?id=2293265 | 2022-05-10 |
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | >= 5.14 < 5.15.10 Search vendor "Linux" for product "Linux Kernel" and version " >= 5.14 < 5.15.10" | en |
Affected
| ||||||
| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | >= 5.14 < 5.16 Search vendor "Linux" for product "Linux Kernel" and version " >= 5.14 < 5.16" | en |
Affected
| ||||||