Message ID | 20210303122639.20004-1-bmeng.cn@gmail.com (mailing list archive) |
---|---|
Headers | show |
Series | hw/sd: sdhci: Fixes to CVE-2020-17380, CVE-2020-25085, CVE-2021-3409 | expand |
On 3/3/21 1:26 PM, Bin Meng wrote: > This series includes several fixes to CVE-2020-17380, CVE-2020-25085 > and CVE-2021-3409 that are heap-based buffer overflow issues existing > in the sdhci model. > > These CVEs are pretty much similar, and were filed using different > reproducers. With this series, current known reproducers I have > cannot be reproduced any more. > > The implementation of this model still has some issues, e.g.: some codes > do not seem to strictly match the spec, but since this series only aimes > to address CVEs, such issue should be fixed in a separate series in the > future, if I have time :) > Bin Meng (5): > hw/sd: sdhci: Don't transfer any data when command time out > hw/sd: sdhci: Don't write to SDHC_SYSAD register when transfer is in > progress > hw/sd: sdhci: Correctly set the controller status for ADMA > hw/sd: sdhci: Limit block size only when SDHC_BLKSIZE register is > writable > hw/sd: sdhci: Reset the data pointer of s->fifo_buffer[] when a > different block size is programmed > > hw/sd/sdhci.c | 53 ++++++++++++++++++++++++++++++++++----------------- > 1 file changed, 36 insertions(+), 17 deletions(-) Thanks, patch applied to sdmmc-fixes.