ZDF
Sign inSign up

Vulnerabilities

Vulnerability · CVE-2022-49857

In the Linux kernel, the following vulnerability has been resolved: net: marvell: prestera: fix memory leak in prestera_rxtx_switch_init() When prestera_sdma_switch_init() failed,

Published May 1, 2025 · catalog updated May 11, 2026 · Linux Linux

Check this week

CVE-2022-49857 is not in CISA KEV. FIRST estimates a 20.00% chance of exploitation in the next 30 days. Check whether you run Linux Linux.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium5.5
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
20.00%
Remediation
Version ranges on file
Affected products
vendor Linux Linux 501ef3066c89d7f9045315e1be58749cf9e6814d <409731df6310a33f4d0a3ef594d2410cdcd637f2

In the Linux kernel, the following vulnerability has been resolved: net: marvell: prestera: fix memory leak in prestera_rxtx_switch_init() When prestera_sdma_switch_init() failed, the memory pointed to by sw->rxtx isn't released. Fix it. Only be compiled, not be tested.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor Linux Linux 501ef3066c89d7f9045315e1be58749cf9e6814d <409731df6310a33f4d0a3ef594d2410cdcd637f2501ef3066c89d7f9045315e1be58749cf9e6814d <409731df6310a33f4d0a3ef594d2410cdcd637f2

How to fix CVE-2022-49857

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2022-49857 is not in CISA KEV. FIRST estimates a 20.00% chance of exploitation in the next 30 days. Check whether you run Linux Linux.

Which versions are affected?

Compare what you have installed with Linux Linux 501ef3066c89d7f9045315e1be58749cf9e6814d <409731df6310a33f4d0a3ef594d2410cdcd637f2 501ef3066c89d7f9045315e1be58749cf9e6814d <409731df6310a33f4d0a3ef594d2410cdcd637f2. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 20.00%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. May 1, 2025 · EUVD

    Detected

    In the Linux kernel, the following vulnerability has been resolved: net: marvell: prestera: fix memory leak in prestera_rxtx_switch_init() When prestera_sdma_switch_init() failed, the memory pointed to by sw->rxtx isn't released. Fix it. Only be compiled, not be tested.

  2. May 11, 2026 · EUVD

    Updated

    In the Linux kernel, the following vulnerability has been resolved: net: marvell: prestera: fix memory leak in prestera_rxtx_switch_init() When prestera_sdma_switch_init() failed, the memory pointed to by sw->rxtx isn't released. Fix it. Only be compiled, not be tested.

Sources

  • CVE.orgVulnerability recordCVE-2022-49857

    Official CVE identifier

    cve.org
  • EUVDVulnerability recordEUVD-2025-12902

    In the Linux kernel, the following vulnerability has been resolved: net: marvell: prestera: fix memory leak in prestera_rxtx_switch_init() When prestera_sdma_switch_init() failed, the memory pointed to by sw->rxtx isn't released. Fix it. Only be compiled, not be tested.

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Oct 17, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.