Answer in brief
CVE-2026-98160 records a Unknown severity vulnerability in staging: rtl8723bs: fix mismatched free of HalData in rtw_sdio_if1_init(). The current sources do not mark it as known exploited. The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
A CVSS score is not reported in the current record. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Linux/Linuxgeneric | >=554c0a3abf216c991c5ebddcdb2c08689ecd290b <ff6d1ba247b5c62bdb678f1069abc86ad88a1402 || >=554c0a3abf216c991c5ebddcdb2c08689ecd290b <d6158333d630a1b21d8914feaf77a6f5deb185d9 || >=554c0a3abf216c991c5ebddcdb2c08689ecd290b <6c017ab2b0e1b60b5be94636c94720347213d78b || >=554c0a3abf216c991c5ebddcdb2c08689ecd290b <4520d673d49dabfd42c008a33889251025f7d6d5 || >=554c0a3abf216c991c5ebddcdb2c08689ecd290b <423574feaed192063ef0cd0813fb85425f39e539 || >=554c0a3abf216c991c5ebddcdb2c08689ecd290b <737c928ff5092d7e55128a232c231248fc993777 || >=554c0a3abf216c991c5ebddcdb2c08689ecd290b <911190f0b9511c3c81f2f2484414c1ae26f636b3 || >=554c0a3abf216c991c5ebddcdb2c08689ecd290b <264676418b726baca7be49171e306b6aa05cceb0 | ff6d1ba247b5c62bdb678f1069abc86ad88a1402, d6158333d630a1b21d8914feaf77a6f5deb185d9, 6c017ab2b0e1b60b5be94636c94720347213d78b, 4520d673d49dabfd42c008a33889251025f7d6d5, 423574feaed192063ef0cd0813fb85425f39e539, 737c928ff5092d7e55128a232c231248fc993777, 911190f0b9511c3c81f2f2484414c1ae26f636b3, 264676418b726baca7be49171e306b6aa05cceb0 |
| Linux/Linuxgeneric | 4.12 | Not reported |
Published upstream
Sep 25, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Sep 25, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Sep 25, 2026
In the Linux kernel, the following vulnerability has been resolved: staging: rtl8723bs: fix mismatched free of HalData in rtw_sdio_if1_init() padapter->HalData is allocated via vzalloc(), but incorrectly freed using kfree() in the rtw_sdio_if1_init() error path. Using kfree() to release this vmalloc-backed buffer can lead to memory corruption. Use rtw_hal_data_deinit() to pair the free correctly and free HalData with vfree(). The bug was first flagged by an experimental static analysis tool we are developing for kernel memory-management bugs. Manual inspection confirms that the issue is still present in current mainline. An x86_64 allyesconfig build showed no new warnings. As we do not have suitable RTL8723BS SDIO hardware to test with, no runtime testing was able to be performed.
Quoted source text, attributed separately from HOL analysis.