CVE Explorer

CVE-2026-43458

In the Linux kernel, the following vulnerability has been resolved: serial: caif: hold tty->link reference in ldisc_open and ser_release A reproducer triggers a KASAN slab-use-after-free in pty_write_room() when caif_serial's TX path calls tty_write_room(). The faulting access is on tty->link->port. Hold an extra kref on tty->link for the lifetime of the caif_serial line discipline: get it in ldisc_open() and drop it in ser_release(), and also drop it on the ldisc_open() error path. With thi

Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:696f317a13a33e8e1e1957d2c077acf990079579371f1f76945625f510c67c65

Known exploited

Not asserted

Disputed

Stale source

Conflicts

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 2 assertions

{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/net/caif/caif_serial.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"2.6.35"},{"lessThan":"2.6.35","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.253","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.203","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.167","versionType":"semve…

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:efb29dd8d0fafae22c05002daccbe836a96926d8e09aa745d8ed2625a80f81f9 · sha256:fc76d7b1a40784b3… · /containers/cna/affected/1

{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/net/caif/caif_serial.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"23a3ac2e2262a291498567418227b99e1f3606b1","status":"affected","version":"e31d5a05948e4478ba8396063d1e1f39880928e2","versionType":"git"},{"lessThan":"52135420e9f75853ea0c6cea7b736e3e98495f7d","status":"affected","version":"e31d5a05948e4478ba8396063d1e1f39880928e2","versionType":"git"},{"lessThan":"ca2ceba983bb23ea0202c2882d963253416654a3","status":"affected","version":"e31d5a05948e447…

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:efb29dd8d0fafae22c05002daccbe836a96926d8e09aa745d8ed2625a80f81f9 · sha256:fc76d7b1a40784b3… · /containers/cna/affected/0

Affected products and versions

2 source assertions

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:efb29dd8d0fafae22c05002daccbe836a96926d8e09aa745d8ed2625a80f81f9 · sha256:fc76d7b1a40784b3… · /containers/cna/affected/1

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:efb29dd8d0fafae22c05002daccbe836a96926d8e09aa745d8ed2625a80f81f9 · sha256:fc76d7b1a40784b3… · /containers/cna/affected/0

Source references

8 source assertions

{"url":"https://git.kernel.org/stable/c/23a3ac2e2262a291498567418227b99e1f3606b1"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:efb29dd8d0fafae22c05002daccbe836a96926d8e09aa745d8ed2625a80f81f9 · sha256:fc76d7b1a40784b3… · /containers/cna/references/0

{"url":"https://git.kernel.org/stable/c/27e43356d0defb9fc7fa25265219a3ffeb7b3e98"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:efb29dd8d0fafae22c05002daccbe836a96926d8e09aa745d8ed2625a80f81f9 · sha256:fc76d7b1a40784b3… · /containers/cna/references/4

{"url":"https://git.kernel.org/stable/c/288598d80a068a0e9281de35bcb4ce495f189e2a"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:efb29dd8d0fafae22c05002daccbe836a96926d8e09aa745d8ed2625a80f81f9 · sha256:fc76d7b1a40784b3… · /containers/cna/references/7

{"url":"https://git.kernel.org/stable/c/35b58d3bc716ebb9ebd10fe1cac8c1177242511c"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:efb29dd8d0fafae22c05002daccbe836a96926d8e09aa745d8ed2625a80f81f9 · sha256:fc76d7b1a40784b3… · /containers/cna/references/5

{"url":"https://git.kernel.org/stable/c/52135420e9f75853ea0c6cea7b736e3e98495f7d"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:efb29dd8d0fafae22c05002daccbe836a96926d8e09aa745d8ed2625a80f81f9 · sha256:fc76d7b1a40784b3… · /containers/cna/references/1

{"url":"https://git.kernel.org/stable/c/8460187b4852fd00bd1c76394358053f3fa4d089"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:efb29dd8d0fafae22c05002daccbe836a96926d8e09aa745d8ed2625a80f81f9 · sha256:fc76d7b1a40784b3… · /containers/cna/references/3

{"url":"https://git.kernel.org/stable/c/97a0bb491cae39478c6225381f14e9ac67b7bba7"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:efb29dd8d0fafae22c05002daccbe836a96926d8e09aa745d8ed2625a80f81f9 · sha256:fc76d7b1a40784b3… · /containers/cna/references/6

{"url":"https://git.kernel.org/stable/c/ca2ceba983bb23ea0202c2882d963253416654a3"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:efb29dd8d0fafae22c05002daccbe836a96926d8e09aa745d8ed2625a80f81f9 · sha256:fc76d7b1a40784b3… · /containers/cna/references/2

Attribution and limitations

CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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