net: bcmasp: clear txcb->last before writing each descriptor
In the Linux kernel, the following vulnerability has been resolved: net: bcmasp: clear txcb->last before writing each descriptor bcmasp_xmit() only wrote txcb->last = true for the final fragment of an SKB; non-final fragments left the field untouched. If a descriptor slot was reused while it still held a stale true from a previous SKB (possible when tx_spb_ring_full() underreported fullness), bcmasp_tx_reclaim() would see last == true mid-SKB and call dev_consume_skb_any() prematurely, freeing the sk_buff while its remaining fragments were still in flight. Unconditionally clear txcb->last before the conditional set so every descriptor slot starts from a known false state regardless of what a prior transmission left behind.
CVE-2026-98052
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-2026-98052
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": "490cb412007de593e07c1d3e2b1ec4233886707c",
"lessThan": "1e213ba7cb3b9dd97ac2e0a1054e6d0d1d91f5bc",
"versionType": "git"
},
{
"status": "affected",
"version": "490cb412007de593e07c1d3e2b1ec4233886707c",
"lessThan": "9b26b54861ce05307d39a54ddedddf8747419614",
"versionType": "git"
},
{
"status": "affected",
"version": "490cb412007de593e07c1d3e2b1ec4233886707c",
"lessThan": "47a5cecca925ceb175d5adf712e667acf78f475f",
"versionType": "git"
},
{
"status": "affected",
"version": "490cb412007de593e07c1d3e2b1ec4233886707c",
"lessThan": "17e6ad484dea5ddf1c4a3d6ec77a5929161234de",
"versionType": "git"
},
{
"status": "affected",
"version": "490cb412007de593e07c1d3e2b1ec4233886707c",
"lessThan": "18e5e0ec0e9282c897e2aa81a3e43ccaee03b003",
"versionType": "git"
}
],
"programFiles": [
"drivers/net/ethernet/broadcom/asp2/bcmasp_intf.c"
],
"defaultStatus": "unaffected"
},
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "6.6"
},
{
"status": "unaffected",
"version": "0",
"lessThan": "6.6",
"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/net/ethernet/broadcom/asp2/bcmasp_intf.c"
],
"defaultStatus": "affected"
}
]- Related CVEs
- CVE-2026-98052
Source reference:
/cveMetadata/cveId
Publisher severity
high
Source reference: /containers/cna/metrics
- Event
- #38167 · Revision 1
- Added to Heist Feed
- Publisher date