CVE-2023-52616

unknown

Published — · Modified —

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CVSS v3

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CVSS v4 NEW

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not yet in upstream

VIR risk

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Description

In the Linux kernel, the following vulnerability has been resolved: crypto: lib/mpi - Fix unexpected pointer access in mpi_ec_init When the mpi_ec_ctx structure is initialized, some fields are not cleared, causing a crash when referencing the field when the structure was released. Initially, this issue was ignored because memory for mpi_ec_ctx is allocated with the __GFP_ZERO flag. For example, this error will be triggered when calculating the Za value for SM2 separately.

Predictions

Exploit likelihood

20%

Patch ETA

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Heuristic predictions, AS-IS, for prioritization only.

Mitigations

Mitigation details

Source: Debian Security Tracker · View original ↗ · DFSG

CVE-2023-52616 NameCVE-2023-52616 DescriptionIn the Linux kernel, the following vulnerability has been resolved: crypto: lib/mpi - Fix unexpected pointer access in mpi_ec_init When the mpi_ec_ctx structure is initialized, some fields are not cleared, causing a crash when referencing the field when the structure was released. Initially, this issue was ignored because memory for mpi_ec_ctx is…

CVE-2023-52616

Name	CVE-2023-52616
Description	In the Linux kernel, the following vulnerability has been resolved: crypto: lib/mpi - Fix unexpected pointer access in mpi_ec_init When the mpi_ec_ctx structure is initialized, some fields are not cleared, causing a crash when referencing the field when the structure was released. Initially, this issue was ignored because memory for mpi_ec_ctx is allocated with the __GFP_ZERO flag. For example, this error will be triggered when calculating the Za value for SM2 separately.
Source	CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
References	DLA-3842-1, DSA-5681-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
linux (PTS)	bullseye	5.10.223-1	fixed
	bullseye (security)	5.10.257-1	fixed
	bookworm	6.1.170-3	fixed
	bookworm (security)	6.1.172-1	fixed
	trixie	6.12.86-1	fixed
	trixie (security)	6.12.90-1	fixed
	forky	7.0.9-1	fixed
	sid	7.0.10-1	fixed

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Origin
linux	source	buster	(not affected)
linux	source	bullseye	5.10.216-1	DSA-5681-1
linux	source	bookworm	6.1.82-1
linux	source	(unstable)	6.6.15-1
linux-5.10	source	buster	5.10.216-1~deb10u1	DLA-3842-1

Notes

[buster] - linux <not-affected> (Vulnerable code not present)
https://git.kernel.org/linus/ba3c5574203034781ac4231acf117da917efcd2a (6.8-rc1)

Home - Debian Security - Source (Git)

Apply commands

text fix

Notes

[buster] - linux <not-affected> (Vulnerable code not present)https://git.kernel.org/linus/ba3c5574203034781ac4231acf117da917efcd2a (6.8-rc1)

OS impact

OS	Version	Status	Fixed in
sles		affected
debian	bookworm	fixed	`6.1.82-1`
debian	bullseye	fixed	`5.10.216-1`
debian	forky	fixed	`6.6.15-1`
debian	sid	fixed	`6.6.15-1`
debian	trixie	fixed	`6.6.15-1`

References

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.