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CVE-2022-50495
x86/xen: Fix memory leak in xen_smp_intr_init{_pv}()
Description

Rejected reason: This CVE ID has been rejected or withdrawn by its CVE Numbering Authority.

INFO

Published Date :

Oct. 4, 2025, 4:15 p.m.

Last Modified :

Oct. 5, 2025, 10:15 a.m.

Remotely Exploit :

No

Source :

416baaa9-dc9f-4396-8d5f-8c081fb06d67
Affected Products

The following products are affected by CVE-2022-50495 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Linux linux_kernel
: Total Affected Vendor : 1 | Products : 1
Solution
Fix a memory leak in Xen SMP interrupt initialization by ensuring allocated strings are freed on failure.
  • Ensure allocated strings are freed on error paths.
  • Apply kernel updates to resolve the memory leak.
  • Review Xen SMP interrupt initialization code.
  • Test the fix in Xen environments.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2022-50495 vulnerability anywhere in the article.

Results are limited to the first 20 news articles due to potential performance issues.

The following table lists the changes that have been made to the CVE-2022-50495 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Rejected by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    Oct. 05, 2025

    Action Type Old Value New Value
  • CVE Modified by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    Oct. 05, 2025

    Action Type Old Value New Value
    Changed Description In the Linux kernel, the following vulnerability has been resolved: x86/xen: Fix memory leak in xen_smp_intr_init{_pv}() These local variables @{resched|pmu|callfunc...}_name saves the new string allocated by kasprintf(), and when bind_{v}ipi_to_irqhandler() fails, it goes to the @fail tag, and calls xen_smp_intr_free{_pv}() to free resource, however the new string is not saved, which cause a memory leak issue. fix it. Rejected reason: This CVE ID has been rejected or withdrawn by its CVE Numbering Authority.
    Removed Reference kernel.org: https://git.kernel.org/stable/c/23aef94eea714b721546c0c49a324a8da8d00fb5
    Removed Reference kernel.org: https://git.kernel.org/stable/c/69143f60868b3939ddc89289b29db593b647295e
    Removed Reference kernel.org: https://git.kernel.org/stable/c/8b6d78bb4ece809c425f96a47ca9b69385ba94bb
    Removed Reference kernel.org: https://git.kernel.org/stable/c/9209d2cbf5845b8bf8e722015d86f65a9d2bc76a
    Removed Reference kernel.org: https://git.kernel.org/stable/c/ec88254208dd01fa1646e939047d382b216340ac
    Removed Reference kernel.org: https://git.kernel.org/stable/c/f698f88f042c6a19bbbac6c84782039a75e7f349
    Removed Reference kernel.org: https://git.kernel.org/stable/c/fc134c355b5299495b14a54dd9bb7af8a646cb7c
  • New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    Oct. 04, 2025

    Action Type Old Value New Value
    Added Description In the Linux kernel, the following vulnerability has been resolved: x86/xen: Fix memory leak in xen_smp_intr_init{_pv}() These local variables @{resched|pmu|callfunc...}_name saves the new string allocated by kasprintf(), and when bind_{v}ipi_to_irqhandler() fails, it goes to the @fail tag, and calls xen_smp_intr_free{_pv}() to free resource, however the new string is not saved, which cause a memory leak issue. fix it.
    Added Reference https://git.kernel.org/stable/c/23aef94eea714b721546c0c49a324a8da8d00fb5
    Added Reference https://git.kernel.org/stable/c/69143f60868b3939ddc89289b29db593b647295e
    Added Reference https://git.kernel.org/stable/c/8b6d78bb4ece809c425f96a47ca9b69385ba94bb
    Added Reference https://git.kernel.org/stable/c/9209d2cbf5845b8bf8e722015d86f65a9d2bc76a
    Added Reference https://git.kernel.org/stable/c/ec88254208dd01fa1646e939047d382b216340ac
    Added Reference https://git.kernel.org/stable/c/f698f88f042c6a19bbbac6c84782039a75e7f349
    Added Reference https://git.kernel.org/stable/c/fc134c355b5299495b14a54dd9bb7af8a646cb7c
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
No CVSS metrics available for this vulnerability.