misc: fastrpc: fix memory corruption on probe
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.
Summary
In the Linux kernel, the following vulnerability has been resolved: misc: fastrpc: fix memory corruption on probe Add the missing sanity check on the probed-session count to avoid corrupting memory beyond the fixed-size slab-allocated session array when there are more than FASTRPC_MAX_SESSIONS sessions defined in the devicetree.
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Linux | Linux | 5.1 and later | 5.4.213, 5.10.142, 5.15.66, 5.19.8, 6.0 | Patch available | CNA |
- Linux VendorLinux Affected 5.1 and later Fixed in 5.4.213, 5.10.142, 5.15.66, 5.19.8, 6.0 Patch available CNA
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | 5.1 to before 5.4.213; 5.5 to before 5.10.142; 5.11 to before 5.15.66; 5.16 to before 5.19.8 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:6.0:rc1:*:*:*:*:*:* | 6.0 rc1 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:6.0:rc2:*:*:*:*:*:* | 6.0 rc2 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:6.0:rc3:*:*:*:*:*:* | 6.0 rc3 | Vulnerable | Linux |
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions 5.1 to before 5.4.213; 5.5 to before 5.10.142; 5.11 to before 5.15.66; 5.16 to before 5.19.8 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:6.0:rc1:*:*:*:*:*:* Versions 6.0 rc1 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:6.0:rc2:*:*:*:*:*:* Versions 6.0 rc2 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:6.0:rc3:*:*:*:*:*:* Versions 6.0 rc3 Vulnerable ·Linux
Remediation
- Fix · CNA Linux (Linux) Fixed in 5.4.213, 5.10.142, 5.15.66, 5.19.8, 6.0
Vendor assessments
Red Hat
Red Hat rating: Low. Red Hat's page for this CVE →
Not affected: 5 products
- Red Hat Enterprise Linux 10
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 8
- Red Hat Enterprise Linux 9
Timeline
- 2026-10-02 Threatist record created from CVE-2022-49952
- 2026-10-03 Alias added: GHSA-phhg-p86p-p5xr
- 2026-11-07 Affected versions changed · Red Hat
References
Patch 5
- https://git.kernel.org/stable/c/ec186b9f4aa2e6444d5308a6cc268aada7007639
- https://git.kernel.org/stable/c/c99bc901d5eb9fbdd7bd39f625e170ce97390336
- https://git.kernel.org/stable/c/0e33b0f322fecd7a92d9dc186535cdf97940a856
- https://git.kernel.org/stable/c/c0425c2facd9166fa083f90c9f3187ace0c7837a
- https://git.kernel.org/stable/c/9baa1415d9abdd1e08362ea2dcfadfacee8690b5
More Linux Kernel vulnerabilities
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- TI-2013-05264 The (1) get_user and (2) put_user API functions in the Linux kernel before 3.5.5 on the… KEVCVSS 3.1HIGH 8.8
- TI-2022-00125 Integer overflow in kernel KEVCVSS 3.1HIGH 8.4
- TI-2013-01864 The perf_swevent_init function in kernel/events/core.c in the Linux kernel before 3.8.9… KEVCVSS 3.1HIGH 8.4
- TI-2021-05514 Heap Out-Of-Bounds Write in Netfilter IP6T_SO_SET_REPLACE KEVCVSS 3.1HIGH 8.3
Sources
- CVE-2022-49952 · CVE Program
- CVE-2022-49952 · NVD
- FIRST EPSS
- GHSA-phhg-p86p-p5xr · GitHub Advisory Database · CC BY 4.0
- CVE-2022-49952 · Red Hat security data · CC BY 4.0
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