CVE-2022-50653
mmc: atmel-mci: fix return value check of mmc_add_host()
- Published
- Updated
- Reserved
- Assigned by
- Linux
Description
In the Linux kernel, the following vulnerability has been resolved: mmc: atmel-mci: fix return value check of mmc_add_host() mmc_add_host() may return error, if we ignore its return value, it will lead two issues: 1. The memory that allocated in mmc_alloc_host() is leaked. 2. In the remove() path, mmc_remove_host() will be called to delete device, but it's not added yet, it will lead a kernel crash because of null-ptr-deref in device_del(). So fix this by checking the return value and calling mmc_free_host() in the error path.
Scores
No CVSS score yet: neither the CNA, CISA nor NVD has scored this CVE. NVD status: Deferred.
- EPSS (exploitation in 30 days)
- 0.21% · top 89% of all CVEs (6 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Not scored.
Affected products
- affected 7d2be0749a59096a334c94dc48f43294193cb8ed – < 99a6cdfa2cf05028b52f6d8ee85ccc5f8b71b4a2
- affected 7d2be0749a59096a334c94dc48f43294193cb8ed – < 6bb26abb92f25e582a0976091a10b539fe3796db
- affected 7d2be0749a59096a334c94dc48f43294193cb8ed – < 00ac0f5f95920f003cd6ece53cdc759549b69118
- affected 7d2be0749a59096a334c94dc48f43294193cb8ed – < 1925472dec31ec061d57412b3a65a056ea24f340
- affected 7d2be0749a59096a334c94dc48f43294193cb8ed – < cc8bb436f3c842a86b9082d97933582120d180e2
- affected 7d2be0749a59096a334c94dc48f43294193cb8ed – < 85946ceb0fac20ab39cdb85333086daf0291a553
- affected 7d2be0749a59096a334c94dc48f43294193cb8ed – < 9e6e8c43726673ca2abcaac87640b9215fd72f4c
- affected 2.6.27
- unaffected < 2.6.27
- unaffected 4.19.270 – ≤ 4.19.*
- unaffected 5.4.229 – ≤ 5.4.*
- unaffected 5.10.163 – ≤ 5.10.*
- unaffected 5.15.86 – ≤ 5.15.*
- unaffected 6.0.16 – ≤ 6.0.*
- unaffected 6.1.2 – ≤ 6.1.*
- unaffected 6.2 – ≤ *
References (7)
- https://git.kernel.org/stable/c/99a6cdfa2cf05028b52f6d8ee85ccc5f8b71b4a2 (opens in a new tab)
- https://git.kernel.org/stable/c/6bb26abb92f25e582a0976091a10b539fe3796db (opens in a new tab)
- https://git.kernel.org/stable/c/00ac0f5f95920f003cd6ece53cdc759549b69118 (opens in a new tab)
- https://git.kernel.org/stable/c/1925472dec31ec061d57412b3a65a056ea24f340 (opens in a new tab)
- https://git.kernel.org/stable/c/cc8bb436f3c842a86b9082d97933582120d180e2 (opens in a new tab)
- https://git.kernel.org/stable/c/85946ceb0fac20ab39cdb85333086daf0291a553 (opens in a new tab)
- https://git.kernel.org/stable/c/9e6e8c43726673ca2abcaac87640b9215fd72f4c (opens in a new tab)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2022-50653)Record last updated .