media: verisilicon: rockchip: guard VPU981 AV1 divisor and tile buffer
In the Linux kernel, the following vulnerability has been resolved: media: verisilicon: rockchip: guard VPU981 AV1 divisor and tile buffer rockchip_vpu981_av1_dec_set_tile_info() divides context_update_tile_id by tile_info->tile_cols and writes one descriptor per tile into the tile_info DMA buffer, which holds AV1_MAX_TILES entries; tile_cols and tile_rows come from the bitstream. Guard the division against a zero tile_cols by initialising the context-update values to zero and computing them only when tile_cols is non-zero, and stop the descriptor writes once the tile_info buffer is full. The tile geometry written to the hardware registers is left unmodified; the per-dimension and total tile bounds are enforced by the control validation.
CVE-2026-97578
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-2026-97578
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": "727a400686a2c0d25015c9e44916a59b72882f83",
"lessThan": "8659e5fc21a82e00fb2db1557f2e06f0fca06b90",
"versionType": "git"
},
{
"status": "affected",
"version": "727a400686a2c0d25015c9e44916a59b72882f83",
"lessThan": "7baa7bb1b784c19170df8c99466fa412040eb431",
"versionType": "git"
},
{
"status": "affected",
"version": "727a400686a2c0d25015c9e44916a59b72882f83",
"lessThan": "8f19d869a9f6800547c9ad7ebaf3b94f973dab50",
"versionType": "git"
},
{
"status": "affected",
"version": "727a400686a2c0d25015c9e44916a59b72882f83",
"lessThan": "6b7a281a815ae7c5e7bb2aad039ffea9bc933157",
"versionType": "git"
},
{
"status": "affected",
"version": "727a400686a2c0d25015c9e44916a59b72882f83",
"lessThan": "b84f6533a8ed2fd7b282fc7ab4b8efadc745a89c",
"versionType": "git"
}
],
"programFiles": [
"drivers/media/platform/verisilicon/rockchip_vpu981_hw_av1_dec.c"
],
"defaultStatus": "unaffected"
},
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "6.5"
},
{
"status": "unaffected",
"version": "0",
"lessThan": "6.5",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "6.6.158",
"versionType": "semver",
"lessThanOrEqual": "6.6.*"
},
{
"status": "unaffected",
"version": "6.12.111",
"versionType": "semver",
"lessThanOrEqual": "6.12.*"
},
{
"status": "unaffected",
"version": "6.18.53",
"versionType": "semver",
"lessThanOrEqual": "6.18.*"
},
{
"status": "unaffected",
"version": "7.2.7",
"versionType": "semver",
"lessThanOrEqual": "7.2.*"
},
{
"status": "unaffected",
"version": "7.3",
"versionType": "original_commit_for_fix",
"lessThanOrEqual": "*"
}
],
"programFiles": [
"drivers/media/platform/verisilicon/rockchip_vpu981_hw_av1_dec.c"
],
"defaultStatus": "affected"
}
]- Related CVEs
- CVE-2026-97578
Source reference:
/cveMetadata/cveId
Publisher severity
high
Source reference: /containers/cna/metrics
- Event
- #38023 · Revision 1
- Added to Heist Feed
- Publisher date