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Critical

net: mvpp2: refill RX buffers before XDP or skb use

Type: advisorySource: Official CVE List1 source record

In the Linux kernel, the following vulnerability has been resolved: net: mvpp2: refill RX buffers before XDP or skb use The RX error path returns the current descriptor buffer to the hardware BM pool. That is only valid while the driver still owns the buffer. mvpp2_rx_refill() can fail after the current buffer has been handed to XDP or attached to an skb. In those cases mvpp2_run_xdp() may have recycled, redirected, or queued the page for XDP_TX, and an skb free also retires the data buffer. Returning such a buffer to BM lets hardware DMA into memory that is no longer owned by the RX ring. Refill the BM pool before handing the current buffer to XDP or to the skb. If the allocation fails there, drop the packet and return the still-owned current buffer to BM, preserving the pool depth. Once the refill succeeds, later local drops retire/free the current buffer instead of returning it to BM.

Announced Source revision 1
Original source ↗

CVE-2026-53215

Primary source · Revision 1

Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.

Security context

Source reference: cve:CVE-2026-53215

Linux

Source reference: /containers/cna/affected/0/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

Linux

Source reference: /containers/cna/affected/1/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

Structured affected-version data

Original package identities and version rules from this source.

[
  {
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "vendor": "Linux",
    "product": "Linux",
    "versions": [
      {
        "status": "affected",
        "version": "07dd0a7aae7f72af7cec18909581c2bb570edddc",
        "lessThan": "a88b3293b556f4d8fba11db9a8061a6b0d3b69e6",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "07dd0a7aae7f72af7cec18909581c2bb570edddc",
        "lessThan": "a03cdcedb2cbcc42551dc3e4746929e93c5352d5",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "07dd0a7aae7f72af7cec18909581c2bb570edddc",
        "lessThan": "580f92f27cb8724bcc4be98ee89890eab524a2ae",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "07dd0a7aae7f72af7cec18909581c2bb570edddc",
        "lessThan": "d0c8c4fbd22d260fe28530260656c5fb3c20ce84",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "07dd0a7aae7f72af7cec18909581c2bb570edddc",
        "lessThan": "8a2126c5afe89f8ceeb60a3afb9f075b736194cd",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "07dd0a7aae7f72af7cec18909581c2bb570edddc",
        "lessThan": "02e1b5c4d3b4c658b72c145427cded1bba613fc1",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "07dd0a7aae7f72af7cec18909581c2bb570edddc",
        "lessThan": "5e8e2a9624df72fca7c736b2966b2cbf6c9c3ff6",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "95a936364f2685e9e040c6b179b553604d96de22",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "fba2cf348d9eb50b2049a73cc09313dab6d293f1",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "5.7.15",
        "lessThan": "5.8",
        "versionType": "semver"
      },
      {
        "status": "affected",
        "version": "5.8.2",
        "lessThan": "5.9",
        "versionType": "semver"
      }
    ],
    "programFiles": [
      "drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c"
    ],
    "defaultStatus": "unaffected"
  },
  {
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "vendor": "Linux",
    "product": "Linux",
    "versions": [
      {
        "status": "affected",
        "version": "5.9"
      },
      {
        "status": "unaffected",
        "version": "0",
        "lessThan": "5.9",
        "versionType": "semver"
      },
      {
        "status": "unaffected",
        "version": "5.15.210",
        "versionType": "semver",
        "lessThanOrEqual": "5.15.*"
      },
      {
        "status": "unaffected",
        "version": "6.1.176",
        "versionType": "semver",
        "lessThanOrEqual": "6.1.*"
      },
      {
        "status": "unaffected",
        "version": "6.6.143",
        "versionType": "semver",
        "lessThanOrEqual": "6.6.*"
      },
      {
        "status": "unaffected",
        "version": "6.12.94",
        "versionType": "semver",
        "lessThanOrEqual": "6.12.*"
      },
      {
        "status": "unaffected",
        "version": "6.18.36",
        "versionType": "semver",
        "lessThanOrEqual": "6.18.*"
      },
      {
        "status": "unaffected",
        "version": "7.0.13",
        "versionType": "semver",
        "lessThanOrEqual": "7.0.*"
      },
      {
        "status": "unaffected",
        "version": "7.1",
        "versionType": "original_commit_for_fix",
        "lessThanOrEqual": "*"
      }
    ],
    "programFiles": [
      "drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c"
    ],
    "defaultStatus": "affected"
  }
]
Related CVEs
CVE-2026-53215

Source reference: /cveMetadata/cveId

Publisher severity

critical

Source reference: /containers/cna/metrics

Event
#40782 · Revision 1
Added to Heist Feed
Publisher date
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