CVE-2022-49334
5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Summary
In the Linux kernel, the following vulnerability has been resolved:
mm/huge_memory: Fix xarray node memory leak
If xas_split_alloc() fails to allocate the necessary nodes to complete the xarray entry split, it sets the xa_state to -ENOMEM, which xas_nomem() then interprets as "Please allocate more memory", not as "Please free any unnecessary memory" (which was the intended outcome). It's confusing to use xas_nomem() to free memory in this context, so call xas_destroy() instead.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Linux | Linux | 6b24ca4a1a8d4ee3221d6d44ddbb99f542e4bda3 < c0c84962e297927ba57fd6ddc2bb000c9d149655 | affected |
| Linux | Linux | 6b24ca4a1a8d4ee3221d6d44ddbb99f542e4bda3 < 95c8181b4947e000f3b9b8e5918d899fce77b93d | affected |
| Linux | Linux | 6b24ca4a1a8d4ee3221d6d44ddbb99f542e4bda3 < 69a37a8ba1b408a1c7616494aa7018e4b3844cbe | affected |
| Linux | Linux | 5.17 | affected |
| Linux | Linux | 0 < 5.17 | unaffected |
| Linux | Linux | 5.17.15 <= 5.17.* | unaffected |
| Linux | Linux | 5.18.4 <= 5.18.* | unaffected |
| Linux | Linux | 5.19 <= * | unaffected |
Weaknesses
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: partial
References
- https://git.kernel.org/stable/c/c0c84962e297927ba57fd6ddc2bb000c9d149655
- https://git.kernel.org/stable/c/95c8181b4947e000f3b9b8e5918d899fce77b93d
- https://git.kernel.org/stable/c/69a37a8ba1b408a1c7616494aa7018e4b3844cbe
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