Name | CVE-2021-47048 |
Description | In the Linux kernel, the following vulnerability has been resolved: spi: spi-zynqmp-gqspi: fix use-after-free in zynqmp_qspi_exec_op When handling op->addr, it is using the buffer "tmpbuf" which has been freed. This will trigger a use-after-free KASAN warning. Let's use temporary variables to store op->addr.val and op->cmd.opcode to fix this issue. |
Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
The table below lists information on source packages.
Source Package | Release | Version | Status |
---|---|---|---|
linux (PTS) | jessie, jessie (lts) | 3.16.84-1 | vulnerable |
stretch (security) | 4.9.320-2 | vulnerable | |
stretch (lts), stretch | 4.9.320-3 | vulnerable | |
buster (security), buster, buster (lts) | 4.19.316-1 | fixed | |
bullseye | 5.10.223-1 | fixed | |
bullseye (security) | 5.10.226-1 | fixed | |
bookworm | 6.1.115-1 | fixed | |
bookworm (security) | 6.1.119-1 | fixed | |
trixie | 6.12.5-1 | fixed | |
sid | 6.12.6-1 | fixed |
The information below is based on the following data on fixed versions.
Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
---|---|---|---|---|---|---|
linux | source | jessie | (unfixed) | end-of-life | ||
linux | source | stretch | (unfixed) | end-of-life | ||
linux | source | buster | (not affected) | |||
linux | source | (unstable) | 5.10.38-1 |
[buster] - linux <not-affected> (Vulnerable code not present)
https://git.kernel.org/linus/a2c5bedb2d55dd27c642c7b9fb6886d7ad7bdb58 (5.13-rc1)